Compare 21991 vs 22247
Property | 21991 | 22247 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 219911 | 222471 |
Prime factorization | 21991 | 22247 |
Divisors count | 2 | 2 |
Divisors | 1, 21991 | 1, 22247 |
Number of properties | 5 | 5 |
Additive primes | 1152nd | |
Chen primes | 1208th | 1218th |
Isolated primes | 1720th | 1740th |
Long primes | 940th | |
Primes | 2463rd | 2491st |
Sexy primes (1st member) | 742nd | |
Sexy prime triplets (1st member) | 202nd | |
Roman numberals | ||
Base 2 | 1010101111001112 | 1010110111001112 |
Base 3 | 10100111113 | 10101112223 |
Base 4 | 111132134 | 111232134 |
Base 5 | 12004315 | 12024425 |
Base 6 | 2454516 | 2505556 |
Base 7 | 1210547 | 1216017 |
Base 8 | 527478 | 533478 |
Base 9 | 331449 | 334589 |
Base 10 | 2199110 | 2224710 |
Base 11 | 1558211 | 1579511 |
Base 12 | 1088712 | 10a5b12 |
Base 13 | a01813 | a18413 |
Base 14 | 802b14 | 817114 |
Base 15 | 67b115 | 68d215 |
Base 16 | 55e716 | 56e716 |