Compare 21442 vs 21453
| Property | 21442 | 21453 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 711 × 1511 | 31 × 71511 |
| Prime factorization | 2 × 71 × 151 | 3 × 7151 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 71, 142, 151, 302, 10721, 21442 | 1, 3, 7151, 21453 |
| Number of properties | 0 | 1 |
| Semiprimes | 5435th | |
| Roman numberals | ||
| Base 2 | 1010011110000102 | 1010011110011012 |
| Base 3 | 10021020113 | 10021021203 |
| Base 4 | 110330024 | 110330314 |
| Base 5 | 11412325 | 11413035 |
| Base 6 | 2431346 | 2431536 |
| Base 7 | 1163417 | 1163557 |
| Base 8 | 517028 | 517158 |
| Base 9 | 323649 | 323769 |
| Base 10 | 2144210 | 2145310 |
| Base 11 | 1512311 | 1513311 |
| Base 12 | 104aa12 | 104b912 |
| Base 13 | 99b513 | 99c313 |
| Base 14 | 7b5814 | 7b6514 |
| Base 15 | 654715 | 655315 |
| Base 16 | 53c216 | 53cd16 |