Compare 21893 vs 21991
| Property | 21893 | 21991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 218931 | 219911 |
| Prime factorization | 21893 | 21991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21893 | 1, 21991 |
| Number of properties | 5 | 5 |
| Additive primes | 1136th | |
| Chen primes | 1208th | |
| Isolated primes | 1713th | 1720th |
| Primes | 2456th | 2463rd |
| Pythagorean primes | 1218th | |
| Sexy primes (1st member) | 742nd | |
| Sexy prime triplets (1st member) | 202nd | |
| Sophie germain primes | 354th | |
| Roman numberals | ||
| Base 2 | 1010101100001012 | 1010101111001112 |
| Base 3 | 10100002123 | 10100111113 |
| Base 4 | 111120114 | 111132134 |
| Base 5 | 12000335 | 12004315 |
| Base 6 | 2452056 | 2454516 |
| Base 7 | 1205547 | 1210547 |
| Base 8 | 526058 | 527478 |
| Base 9 | 330259 | 331449 |
| Base 10 | 2189310 | 2199110 |
| Base 11 | 154a311 | 1558211 |
| Base 12 | 1080512 | 1088712 |
| Base 13 | 9c7113 | a01813 |
| Base 14 | 7d9b14 | 802b14 |
| Base 15 | 674815 | 67b115 |
| Base 16 | 558516 | 55e716 |