# Number 73

## Properties#

- 73 is 6th emirps, its corresponding prime is 37
- 73 is 7th harmonic prime
- 73 is 13th left-truncatable prime
- 73 is 8th lucky prime
- 73 is 9th pierpont prime
- 73 is 21st prime
- 73 is part of 8th prime triplet {67, 71,
**73**} - 73 is 9th pythagorean prime
- 73 is 12th right-truncatable prime
- 73 is part of 14th sexy prime {
**73**, 79} - 73 is part of 13th sexy prime {67,
**73**} - 73 is part of 4th sexy prime quadruplets {61, 67,
**73**, 79} - 73 is part of 9th sexy prime triplet {67,
**73**, 79} - 73 is part of 8th sexy prime triplet {61, 67,
**73**} - 73 is 18th solinas prime
- 73 is part of 8th twin prime {71,
**73**} - 73 is 8th two-sided prime

## External#

## Neighbours#

61_{12} | 62_{1} | 63 | 64 | 65_{1} |

66 | 67_{17} | 68 | 69_{1} | 70 |

71_{13} | 72 | 73_{17} | 74_{1} | 75 |

76 | 77_{1} | 78 | 79_{13} | 80 |

81 | 82_{1} | 83_{10} | 84 | 85_{1} |

## Compare with#

61_{12} | 62_{1} | 63 | 64 | 65_{1} |

66 | 67_{17} | 68 | 69_{1} | 70 |

71_{13} | 72 | 73_{17} | 74_{1} | 75 |

76 | 77_{1} | 78 | 79_{13} | 80 |

81 | 82_{1} | 83_{10} | 84 | 85_{1} |

## Different Representations#

- 73 in roman numerals is LXXIII
- 73 in base 2 is 1001001
_{2} - 73 in base 3 is 2201
_{3} - 73 in base 4 is 1021
_{4} - 73 in base 5 is 243
_{5} - 73 in base 6 is 201
_{6} - 73 in base 7 is 133
_{7} - 73 in base 8 is 111
_{8} - 73 in base 9 is 81
_{9} - 73 in base 10 is 73
_{10} - 73 in base 11 is 67
_{11} - 73 in base 12 is 61
_{12} - 73 in base 13 is 58
_{13} - 73 in base 14 is 53
_{14} - 73 in base 15 is 4d
_{15} - 73 in base 16 is 49
_{16}

## Belongs Into#

- 73 belongs into first 10 emirpss.
- 73 belongs into first 10 harmonic primes.
- 73 belongs into first 50 left-truncatable primes.
- 73 belongs into first 10 lucky primes.
- 73 belongs into first 10 pierpont primes.
- 73 belongs into first 50 primes.
- 73 belongs into first 10 prime triplets.
- 73 belongs into first 10 pythagorean primes.
- 73 belongs into first 50 right-truncatable primes.
- 73 belongs into first 50 sexy primes.
- 73 belongs into first 50 sexy primes.
- 73 belongs into first 10 sexy prime quadrupletss.
- 73 belongs into first 10 sexy prime triplets.
- 73 belongs into first 10 sexy prime triplets.
- 73 belongs into first 50 solinas primes.
- 73 belongs into first 10 twin primes.
- 73 belongs into first 10 two-sided primes.

## You May Also Ask#

- Is 73 additive prime?
- Is 73 bell prime?
- Is 73 carol prime?
- Is 73 centered decagonal prime?
- Is 73 centered heptagonal prime?
- Is 73 centered square prime?
- Is 73 centered triangular prime?
- Is 73 chen prime?
- Is 73 class 1+ prime?
- Is 73 part of cousin prime?
- Is 73 cuban prime 1?
- Is 73 cuban prime 2?
- Is 73 cullen prime?
- Is 73 dihedral prime?
- Is 73 double mersenne prime?
- Is 73 emirps?
- Is 73 euclid prime?
- Is 73 factorial prime?
- Is 73 fermat prime?
- Is 73 fibonacci prime?
- Is 73 genocchi prime?
- Is 73 good prime?
- Is 73 happy prime?
- Is 73 harmonic prime?
- Is 73 isolated prime?
- Is 73 kynea prime?
- Is 73 left-truncatable prime?
- Is 73 leyland prime?
- Is 73 long prime?
- Is 73 lucas prime?
- Is 73 lucky prime?
- Is 73 mersenne prime?
- Is 73 mills prime?
- Is 73 multiplicative prime?
- Is 73 palindromic prime?
- Is 73 pierpont prime?
- Is 73 pierpont prime of the 2nd kind?
- Is 73 prime?
- Is 73 part of prime quadruplet?
- Is 73 part of prime quintuplet 1?
- Is 73 part of prime quintuplet 2?
- Is 73 part of prime sextuplet?
- Is 73 part of prime triplet?
- Is 73 proth prime?
- Is 73 pythagorean prime?
- Is 73 quartan prime?
- Is 73 restricted left-truncatable prime?
- Is 73 restricted right-truncatable prime?
- Is 73 right-truncatable prime?
- Is 73 safe prime?
- Is 73 semiprime?
- Is 73 part of sexy prime?
- Is 73 part of sexy prime quadruplets?
- Is 73 part of sexy prime triplet?
- Is 73 solinas prime?
- Is 73 sophie germain prime?
- Is 73 super prime?
- Is 73 thabit prime?
- Is 73 thabit prime of the 2nd kind?
- Is 73 part of twin prime?
- Is 73 two-sided prime?
- Is 73 ulam prime?
- Is 73 wagstaff prime?
- Is 73 weakly prime?
- Is 73 wedderburn-etherington prime?
- Is 73 wilson prime?
- Is 73 woodall prime?

## Smaller than 73#

- Additive primes up to 73
- Bell primes up to 73
- Carol primes up to 73
- Centered decagonal primes up to 73
- Centered heptagonal primes up to 73
- Centered square primes up to 73
- Centered triangular primes up to 73
- Chen primes up to 73
- Class 1+ primes up to 73
- Cousin primes up to 73
- Cuban primes 1 up to 73
- Cuban primes 2 up to 73
- Cullen primes up to 73
- Dihedral primes up to 73
- Double mersenne primes up to 73
- Emirps up to 73
- Euclid primes up to 73
- Factorial primes up to 73
- Fermat primes up to 73
- Fibonacci primes up to 73
- Genocchi primes up to 73
- Good primes up to 73
- Happy primes up to 73
- Harmonic primes up to 73
- Isolated primes up to 73
- Kynea primes up to 73
- Left-truncatable primes up to 73
- Leyland primes up to 73
- Long primes up to 73
- Lucas primes up to 73
- Lucky primes up to 73
- Mersenne primes up to 73
- Mills primes up to 73
- Multiplicative primes up to 73
- Palindromic primes up to 73
- Pierpont primes up to 73
- Pierpont primes of the 2nd kind up to 73
- Primes up to 73
- Prime quadruplets up to 73
- Prime quintuplet 1s up to 73
- Prime quintuplet 2s up to 73
- Prime sextuplets up to 73
- Prime triplets up to 73
- Proth primes up to 73
- Pythagorean primes up to 73
- Quartan primes up to 73
- Restricted left-truncatable primes up to 73
- Restricted right-truncatable primes up to 73
- Right-truncatable primes up to 73
- Safe primes up to 73
- Semiprimes up to 73
- Sexy primes up to 73
- Sexy prime quadrupletss up to 73
- Sexy prime triplets up to 73
- Solinas primes up to 73
- Sophie germain primes up to 73
- Super primes up to 73
- Thabit primes up to 73
- Thabit primes of the 2nd kind up to 73
- Twin primes up to 73
- Two-sided primes up to 73
- Ulam primes up to 73
- Wagstaff primes up to 73
- Weakly primes up to 73
- Wedderburn-etherington primes up to 73
- Wilson primes up to 73
- Woodall primes up to 73

## First 73#

- First 73 additive primes
- First 73 bell primes
- First 73 carol primes
- First 73 centered decagonal primes
- First 73 centered heptagonal primes
- First 73 centered square primes
- First 73 centered triangular primes
- First 73 chen primes
- First 73 class 1+ primes
- First 73 cousin primes
- First 73 Cuban primes 1
- First 73 Cuban primes 2
- First 73 cullen primes
- First 73 dihedral primes
- First 73 double mersenne primes
- First 73 Emirps
- First 73 euclid primes
- First 73 factorial primes
- First 73 fermat primes
- First 73 fibonacci primes
- First 73 genocchi primes
- First 73 good primes
- First 73 happy primes
- First 73 harmonic primes
- First 73 isolated primes
- First 73 kynea primes
- First 73 left-truncatable primes
- First 73 leyland primes
- First 73 long primes
- First 73 lucas primes
- First 73 lucky primes
- First 73 mersenne primes
- First 73 mills primes
- First 73 multiplicative primes
- First 73 palindromic primes
- First 73 pierpont primes
- First 73 Pierpont primes of the 2nd kind
- First 73 primes
- First 73 prime quadruplets
- First 73 prime quintuplet 1s
- First 73 prime quintuplet 2s
- First 73 prime sextuplets
- First 73 prime triplets
- First 73 proth primes
- First 73 pythagorean primes
- First 73 quartan primes
- First 73 restricted left-truncatable primes
- First 73 restricted right-truncatable primes
- First 73 right-truncatable primes
- First 73 safe primes
- First 73 semiprimes
- First 73 sexy primes
- First 73 sexy prime quadrupletss
- First 73 sexy prime triplets
- First 73 solinas primes
- First 73 sophie germain primes
- First 73 super primes
- First 73 thabit primes
- First 73 Thabit primes of the 2nd kind
- First 73 twin primes
- First 73 two-sided primes
- First 73 ulam primes
- First 73 wagstaff primes
- First 73 weakly primes
- First 73 wedderburn-etherington primes
- First 73 wilson primes
- First 73 woodall primes