Compare 2391 vs 2399
Property | 2391 | 2399 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 31 × 7971 | 23991 |
Prime factorization | 3 × 797 | 2399 |
Divisors count | 4 | 2 |
Divisors | 1, 3, 797, 2391 | 1, 2399 |
Number of properties | 1 | 6 |
Additive primes | 188th | |
Isolated primes | 214th | |
Primes | 357th | |
Right-truncatable primes | 31st | |
Semiprimes | 677th | |
Sexy primes (2nd member) | 147th | |
Sophie germain primes | 71st | |
Roman numberals | MMCCCXCI | MMCCCXCIX |
Base 2 | 1001010101112 | 1001010111112 |
Base 3 | 100211203 | 100212123 |
Base 4 | 2111134 | 2111334 |
Base 5 | 340315 | 340445 |
Base 6 | 150236 | 150356 |
Base 7 | 66547 | 66657 |
Base 8 | 45278 | 45378 |
Base 9 | 32469 | 32559 |
Base 10 | 239110 | 239910 |
Base 11 | 188411 | 189111 |
Base 12 | 147312 | 147b12 |
Base 13 | 111c13 | 112713 |
Base 14 | c2b14 | c3514 |
Base 15 | a9615 | a9e15 |
Base 16 | 95716 | 95f16 |