Compare 66980 vs 66981
| Property | 66980 | 66981 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 5 | 3 |
| Prime factorization | 22 × 51 × 171 × 1971 | 31 × 831 × 2691 |
| Prime factorization | 2 × 2 × 5 × 17 × 197 | 3 × 83 × 269 |
| Divisors count | 24 | 8 |
| Divisors | 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1970, 3349, 3940, 6698, 13396, 16745, 33490, 66980 | 1, 3, 83, 249, 269, 807, 22327, 66981 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 100000101101001002 | 100000101101001012 |
| Base 3 | 101012122023 | 101012122103 |
| Base 4 | 1001122104 | 1001122114 |
| Base 5 | 41204105 | 41204115 |
| Base 6 | 12340326 | 12340336 |
| Base 7 | 3661647 | 3661657 |
| Base 8 | 2026448 | 2026458 |
| Base 9 | 1117829 | 1117839 |
| Base 10 | 6698010 | 6698110 |
| Base 11 | 4636111 | 4636211 |
| Base 12 | 3291812 | 3291912 |
| Base 13 | 2464413 | 2464513 |
| Base 14 | 1a5a414 | 1a5a514 |
| Base 15 | 14ca515 | 14ca615 |
| Base 16 | 105a416 | 105a516 |