# Number 3

## Properties#

- 3 is 2nd additive prime because sum of its digits is 3 which is also prime
- 3 is 2nd chen prime
- 3 is 2nd class 1+ prime
- 3 is part of 1st cousin prime {
**3**, 7} - 3 is 1st cullen prime
- 3 is 2nd euclid prime
- 3 is 2nd factorial prime
- 3 is 1st fermat prime
- 3 is 2nd fibonacci prime
- 3 is 2nd left-truncatable prime
- 3 is 1st leyland prime
- 3 is 2nd lucas prime
- 3 is 1st lucky prime
- 3 is 1st mersenne prime
- 3 is 2nd multiplicative prime because product of its digits is 3 which is also prime
- 3 is 2nd palindromic prime
- 3 is 2nd pierpont prime
- 3 is 2nd pierpont prime of the 2nd kind
- 3 is 2nd prime
- 3 is 1st proth prime
- 3 is 2nd right-truncatable prime
- 3 is 1st solinas prime
- 3 is 2nd sophie germain prime, its corresponding Safe prime is 7
- 3 is 1st super prime because its 2nd prime
- 3 is part of 1st twin prime {
**3**, 5} - 3 is 2nd two-sided prime
- 3 is 2nd ulam prime
- 3 is 1st wagstaff prime
- 3 is 2nd wedderburn-etherington prime

## External#

## Neighbours#

## Compare with#

## Different Representations#

- 3 in roman numerals is III
- 3 in base 2 is 11
_{2} - 3 in base 3 is 10
_{3} - 3 in base 4 is 3
_{4} - 3 in base 5 is 3
_{5} - 3 in base 6 is 3
_{6} - 3 in base 7 is 3
_{7} - 3 in base 8 is 3
_{8} - 3 in base 9 is 3
_{9} - 3 in base 10 is 3
_{10} - 3 in base 11 is 3
_{11} - 3 in base 12 is 3
_{12} - 3 in base 13 is 3
_{13} - 3 in base 14 is 3
_{14} - 3 in base 15 is 3
_{15} - 3 in base 16 is 3
_{16}

## Belongs Into#

- 3 belongs into first 10 additive primes.
- 3 belongs into first 10 chen primes.
- 3 belongs into first 10 class 1+ primes.
- 3 belongs into first 10 cousin primes.
- 3 belongs into first 10 cullen primes.
- 3 belongs into first 10 euclid primes.
- 3 belongs into first 10 factorial primes.
- 3 belongs into first 10 fermat primes.
- 3 belongs into first 10 fibonacci primes.
- 3 belongs into first 10 left-truncatable primes.
- 3 belongs into first 10 leyland primes.
- 3 belongs into first 10 lucas primes.
- 3 belongs into first 10 lucky primes.
- 3 belongs into first 10 mersenne primes.
- 3 belongs into first 10 multiplicative primes.
- 3 belongs into first 10 palindromic primes.
- 3 belongs into first 10 pierpont primes.
- 3 belongs into first 10 pierpont prime of the 2nd kinds.
- 3 belongs into first 10 primes.
- 3 belongs into first 10 proth primes.
- 3 belongs into first 10 right-truncatable primes.
- 3 belongs into first 10 solinas primes.
- 3 belongs into first 10 sophie germain primes.
- 3 belongs into first 10 super primes.
- 3 belongs into first 10 twin primes.
- 3 belongs into first 10 two-sided primes.
- 3 belongs into first 10 ulam primes.
- 3 belongs into first 10 wagstaff primes.
- 3 belongs into first 10 wedderburn-etherington primes.

## You May Also Ask#

- Is 3 additive prime?
- Is 3 bell prime?
- Is 3 carol prime?
- Is 3 centered decagonal prime?
- Is 3 centered heptagonal prime?
- Is 3 centered square prime?
- Is 3 centered triangular prime?
- Is 3 chen prime?
- Is 3 class 1+ prime?
- Is 3 part of cousin prime?
- Is 3 cuban prime 1?
- Is 3 cuban prime 2?
- Is 3 cullen prime?
- Is 3 dihedral prime?
- Is 3 double mersenne prime?
- Is 3 emirps?
- Is 3 euclid prime?
- Is 3 factorial prime?
- Is 3 fermat prime?
- Is 3 fibonacci prime?
- Is 3 genocchi prime?
- Is 3 good prime?
- Is 3 happy prime?
- Is 3 harmonic prime?
- Is 3 isolated prime?
- Is 3 kynea prime?
- Is 3 left-truncatable prime?
- Is 3 leyland prime?
- Is 3 long prime?
- Is 3 lucas prime?
- Is 3 lucky prime?
- Is 3 mersenne prime?
- Is 3 mills prime?
- Is 3 multiplicative prime?
- Is 3 palindromic prime?
- Is 3 pierpont prime?
- Is 3 pierpont prime of the 2nd kind?
- Is 3 prime?
- Is 3 part of prime quadruplet?
- Is 3 part of prime quintuplet 1?
- Is 3 part of prime quintuplet 2?
- Is 3 part of prime sextuplet?
- Is 3 part of prime triplet?
- Is 3 proth prime?
- Is 3 pythagorean prime?
- Is 3 quartan prime?
- Is 3 restricted left-truncatable prime?
- Is 3 restricted right-truncatable prime?
- Is 3 right-truncatable prime?
- Is 3 safe prime?
- Is 3 semiprime?
- Is 3 part of sexy prime?
- Is 3 part of sexy prime quadruplets?
- Is 3 part of sexy prime triplet?
- Is 3 solinas prime?
- Is 3 sophie germain prime?
- Is 3 super prime?
- Is 3 thabit prime?
- Is 3 thabit prime of the 2nd kind?
- Is 3 part of twin prime?
- Is 3 two-sided prime?
- Is 3 ulam prime?
- Is 3 wagstaff prime?
- Is 3 weakly prime?
- Is 3 wedderburn-etherington prime?
- Is 3 wilson prime?
- Is 3 woodall prime?

## Smaller than 3#

- Additive primes up to 3
- Bell primes up to 3
- Carol primes up to 3
- Centered decagonal primes up to 3
- Centered heptagonal primes up to 3
- Centered square primes up to 3
- Centered triangular primes up to 3
- Chen primes up to 3
- Class 1+ primes up to 3
- Cousin primes up to 3
- Cuban primes 1 up to 3
- Cuban primes 2 up to 3
- Cullen primes up to 3
- Dihedral primes up to 3
- Double mersenne primes up to 3
- Emirps up to 3
- Euclid primes up to 3
- Factorial primes up to 3
- Fermat primes up to 3
- Fibonacci primes up to 3
- Genocchi primes up to 3
- Good primes up to 3
- Happy primes up to 3
- Harmonic primes up to 3
- Isolated primes up to 3
- Kynea primes up to 3
- Left-truncatable primes up to 3
- Leyland primes up to 3
- Long primes up to 3
- Lucas primes up to 3
- Lucky primes up to 3
- Mersenne primes up to 3
- Mills primes up to 3
- Multiplicative primes up to 3
- Palindromic primes up to 3
- Pierpont primes up to 3
- Pierpont primes of the 2nd kind up to 3
- Primes up to 3
- Prime quadruplets up to 3
- Prime quintuplet 1s up to 3
- Prime quintuplet 2s up to 3
- Prime sextuplets up to 3
- Prime triplets up to 3
- Proth primes up to 3
- Pythagorean primes up to 3
- Quartan primes up to 3
- Restricted left-truncatable primes up to 3
- Restricted right-truncatable primes up to 3
- Right-truncatable primes up to 3
- Safe primes up to 3
- Semiprimes up to 3
- Sexy primes up to 3
- Sexy prime quadrupletss up to 3
- Sexy prime triplets up to 3
- Solinas primes up to 3
- Sophie germain primes up to 3
- Super primes up to 3
- Thabit primes up to 3
- Thabit primes of the 2nd kind up to 3
- Twin primes up to 3
- Two-sided primes up to 3
- Ulam primes up to 3
- Wagstaff primes up to 3
- Weakly primes up to 3
- Wedderburn-etherington primes up to 3
- Wilson primes up to 3
- Woodall primes up to 3

## First 3#

- First 3 additive primes
- First 3 bell primes
- First 3 carol primes
- First 3 centered decagonal primes
- First 3 centered heptagonal primes
- First 3 centered square primes
- First 3 centered triangular primes
- First 3 chen primes
- First 3 class 1+ primes
- First 3 cousin primes
- First 3 Cuban primes 1
- First 3 Cuban primes 2
- First 3 cullen primes
- First 3 dihedral primes
- First 3 double mersenne primes
- First 3 Emirps
- First 3 euclid primes
- First 3 factorial primes
- First 3 fermat primes
- First 3 fibonacci primes
- First 3 genocchi primes
- First 3 good primes
- First 3 happy primes
- First 3 harmonic primes
- First 3 isolated primes
- First 3 kynea primes
- First 3 left-truncatable primes
- First 3 leyland primes
- First 3 long primes
- First 3 lucas primes
- First 3 lucky primes
- First 3 mersenne primes
- First 3 mills primes
- First 3 multiplicative primes
- First 3 palindromic primes
- First 3 pierpont primes
- First 3 Pierpont primes of the 2nd kind
- First 3 primes
- First 3 prime quadruplets
- First 3 prime quintuplet 1s
- First 3 prime quintuplet 2s
- First 3 prime sextuplets
- First 3 prime triplets
- First 3 proth primes
- First 3 pythagorean primes
- First 3 quartan primes
- First 3 restricted left-truncatable primes
- First 3 restricted right-truncatable primes
- First 3 right-truncatable primes
- First 3 safe primes
- First 3 semiprimes
- First 3 sexy primes
- First 3 sexy prime quadrupletss
- First 3 sexy prime triplets
- First 3 solinas primes
- First 3 sophie germain primes
- First 3 super primes
- First 3 thabit primes
- First 3 Thabit primes of the 2nd kind
- First 3 twin primes
- First 3 two-sided primes
- First 3 ulam primes
- First 3 wagstaff primes
- First 3 weakly primes
- First 3 wedderburn-etherington primes
- First 3 wilson primes
- First 3 woodall primes