Compare 21989 vs 22001
| Property | 21989 | 22001 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 111 × 19991 | 72 × 4491 |
| Prime factorization | 11 × 1999 | 7 × 7 × 449 |
| Divisors count | 4 | 6 |
| Divisors | 1, 11, 1999, 21989 | 1, 7, 49, 449, 3143, 22001 |
| Number of properties | 1 | 0 |
| Semiprimes | 5552nd | |
| Roman numberals | ||
| Base 2 | 1010101111001012 | 1010101111100012 |
| Base 3 | 10100111023 | 10100112123 |
| Base 4 | 111132114 | 111133014 |
| Base 5 | 12004245 | 12010015 |
| Base 6 | 2454456 | 2455056 |
| Base 7 | 1210527 | 1211007 |
| Base 8 | 527458 | 527618 |
| Base 9 | 331429 | 331559 |
| Base 10 | 2198910 | 2200110 |
| Base 11 | 1558011 | 1559111 |
| Base 12 | 1088512 | 1089512 |
| Base 13 | a01613 | a02513 |
| Base 14 | 802914 | 803714 |
| Base 15 | 67ae15 | 67bb15 |
| Base 16 | 55e516 | 55f116 |