Compare 21961 vs 21973
| Property | 21961 | 21973 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 219611 | 71 × 431 × 731 |
| Prime factorization | 21961 | 7 × 43 × 73 |
| Divisors count | 2 | 8 |
| Divisors | 1, 21961 | 1, 7, 43, 73, 301, 511, 3139, 21973 |
| Number of properties | 5 | 0 |
| Additive primes | 1139th | |
| Chen primes | 1206th | |
| Isolated primes | 1718th | |
| Primes | 2461st | |
| Pythagorean primes | 1221st | |
| Roman numberals | ||
| Base 2 | 1010101110010012 | 1010101110101012 |
| Base 3 | 10100101013 | 10100102113 |
| Base 4 | 111130214 | 111131114 |
| Base 5 | 12003215 | 12003435 |
| Base 6 | 2454016 | 2454216 |
| Base 7 | 1210127 | 1210307 |
| Base 8 | 527118 | 527258 |
| Base 9 | 331119 | 331249 |
| Base 10 | 2196110 | 2197310 |
| Base 11 | 1555511 | 1556611 |
| Base 12 | 1086112 | 1087112 |
| Base 13 | 9cc413 | a00313 |
| Base 14 | 800914 | 801714 |
| Base 15 | 679115 | 679d15 |
| Base 16 | 55c916 | 55d516 |