Compare 31 vs 31
Property | 31 | 31 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 311 | 311 |
Prime factorization | 31 | 31 |
Divisors count | 2 | 2 |
Divisors | 1, 31 | 1, 31 |
Number of properties | 18 | 18 |
Centered decagonal primes | 2nd | 2nd |
Centered triangular primes | 2nd | 2nd |
Chen primes | 11th | 11th |
Class 1+ primes | 8th | 8th |
Emirps | 3rd | 3rd |
Euclid primes | 4th | 4th |
Happy primes | 5th | 5th |
Lucky primes | 4th | 4th |
Mersenne primes | 3rd | 3rd |
Multiplicative primes | 7th | 7th |
Pierpont primes of the 2nd kind | 8th | 8th |
Primes | 11th | 11th |
Right-truncatable primes | 7th | 7th |
Sexy primes (1st member) | 7th | 7th |
Sexy prime triplets (1st member) | 5th | 5th |
Solinas primes | 10th | 10th |
Super primes | 5th | 5th |
Twin primes (2nd member) | 5th | 5th |
Roman numberals | XXXI | XXXI |
Base 2 | 111112 | 111112 |
Base 3 | 10113 | 10113 |
Base 4 | 1334 | 1334 |
Base 5 | 1115 | 1115 |
Base 6 | 516 | 516 |
Base 7 | 437 | 437 |
Base 8 | 378 | 378 |
Base 9 | 349 | 349 |
Base 10 | 3110 | 3110 |
Base 11 | 2911 | 2911 |
Base 12 | 2712 | 2712 |
Base 13 | 2513 | 2513 |
Base 14 | 2314 | 2314 |
Base 15 | 2115 | 2115 |
Base 16 | 1f16 | 1f16 |