Prime Numbers
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Numbers
Compare 3 vs 13
Compare 3 vs 13
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Property
3
13
Type
prime
prime
Unique factors
1
1
Total factors
1
1
Prime factorization
3
^{1}
13
^{1}
Prime factorization
3
13
Divisors count
2
2
Divisors
1
,
3
1
,
13
Number of properties
29
32
Additive primes
2nd
Centered square primes
2nd
Chen primes
2nd
6th
Class 1+ primes
2nd
Cousin primes
(1st member)
1st
3rd
Cuban primes 2
1st
Cullen primes
1st
Emirps
1st
Euclid primes
2nd
Factorial primes
2nd
Fermat primes
1st
Fibonacci primes
2nd
4th
Happy primes
2nd
Harmonic primes
2nd
Left-truncatable primes
2nd
5th
Leyland primes
1st
Lucas primes
2nd
Lucky primes
1st
3rd
Mersenne primes
1st
Multiplicative primes
2nd
5th
Palindromic primes
2nd
Pierpont primes
2nd
5th
Pierpont primes of the 2nd kind
2nd
Primes
2nd
6th
Prime quadruplets
(2nd member)
2nd
Prime quadruplets
(4th member)
1st
Prime quintuplet 1s
(3rd member)
1st
Prime quintuplet 2s
(2nd member)
2nd
Prime quintuplet 2s
(4th member)
1st
Prime sextuplets
(3rd member)
1st
Prime triplets
(1st member)
4th
Prime triplets
(2nd member)
3rd
Prime triplets
(3rd member)
2nd
Proth primes
1st
3rd
Pythagorean primes
2nd
Right-truncatable primes
2nd
Sexy primes
(1st member)
4th
Sexy primes
(2nd member)
2nd
Sexy prime triplets
(2nd member)
2nd
Solinas primes
1st
5th
Sophie germain primes
2nd
Super primes
1st
Thabit primes of the 2nd kind
2nd
Twin primes
(1st member)
1st
Twin primes
(2nd member)
3rd
Two-sided primes
2nd
Ulam primes
2nd
4th
Wagstaff primes
1st
Wedderburn-etherington primes
2nd
Wilson primes
2nd
Roman numberals
III
XIII
Base 2
11
_{2}
1101
_{2}
Base 3
10
_{3}
111
_{3}
Base 4
3
_{4}
31
_{4}
Base 5
3
_{5}
23
_{5}
Base 6
3
_{6}
21
_{6}
Base 7
3
_{7}
16
_{7}
Base 8
3
_{8}
15
_{8}
Base 9
3
_{9}
14
_{9}
Base 10
3
_{10}
13
_{10}
Base 11
3
_{11}
12
_{11}
Base 12
3
_{12}
11
_{12}
Base 13
3
_{13}
10
_{13}
Base 14
3
_{14}
d
_{14}
Base 15
3
_{15}
d
_{15}
Base 16
3
_{16}
d
_{16}
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