Compare 21950 vs 21961
| Property | 21950 | 21961 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 52 × 4391 | 219611 |
| Prime factorization | 2 × 5 × 5 × 439 | 21961 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 5, 10, 25, 50, 439, 878, 2195, 4390, 10975, 21950 | 1, 21961 |
| Number of properties | 0 | 5 |
| Additive primes | 1139th | |
| Chen primes | 1206th | |
| Isolated primes | 1718th | |
| Primes | 2461st | |
| Pythagorean primes | 1221st | |
| Roman numberals | ||
| Base 2 | 1010101101111102 | 1010101110010012 |
| Base 3 | 10100022223 | 10100101013 |
| Base 4 | 111123324 | 111130214 |
| Base 5 | 12003005 | 12003215 |
| Base 6 | 2453426 | 2454016 |
| Base 7 | 1206657 | 1210127 |
| Base 8 | 526768 | 527118 |
| Base 9 | 330889 | 331119 |
| Base 10 | 2195010 | 2196110 |
| Base 11 | 1554511 | 1555511 |
| Base 12 | 1085212 | 1086112 |
| Base 13 | 9cb613 | 9cc413 |
| Base 14 | 7ddc14 | 800914 |
| Base 15 | 678515 | 679115 |
| Base 16 | 55be16 | 55c916 |