Compare 21943 vs 21991
| Property | 21943 | 21991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 219431 | 219911 |
| Prime factorization | 21943 | 21991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21943 | 1, 21991 |
| Number of properties | 4 | 5 |
| Additive primes | 1138th | |
| Chen primes | 1208th | |
| Isolated primes | 1717th | 1720th |
| Primes | 2460th | 2463rd |
| Sexy primes (1st member) | 742nd | |
| Sexy primes (2nd member) | 741st | |
| Sexy prime triplets (1st member) | 202nd | |
| Roman numberals | ||
| Base 2 | 1010101101101112 | 1010101111001112 |
| Base 3 | 10100022013 | 10100111113 |
| Base 4 | 111123134 | 111132134 |
| Base 5 | 12002335 | 12004315 |
| Base 6 | 2453316 | 2454516 |
| Base 7 | 1206557 | 1210547 |
| Base 8 | 526678 | 527478 |
| Base 9 | 330819 | 331449 |
| Base 10 | 2194310 | 2199110 |
| Base 11 | 1553911 | 1558211 |
| Base 12 | 1084712 | 1088712 |
| Base 13 | 9cac13 | a01813 |
| Base 14 | 7dd514 | 802b14 |
| Base 15 | 677d15 | 67b115 |
| Base 16 | 55b716 | 55e716 |