Compare 641980 vs 641989
| Property | 641980 | 641989 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 320991 | 531 × 121131 |
| Prime factorization | 2 × 2 × 5 × 32099 | 53 × 12113 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 32099, 64198, 128396, 160495, 320990, 641980 | 1, 53, 12113, 641989 |
| Number of properties | 0 | 1 |
| Semiprimes | 137547th | |
| Roman numberals | ||
| Base 2 | 100111001011101111002 | 100111001011110001012 |
| Base 3 | 10121211220013 | 10121211221013 |
| Base 4 | 21302323304 | 21302330114 |
| Base 5 | 1310204105 | 1310204245 |
| Base 6 | 214320446 | 214321016 |
| Base 7 | 53124437 | 53124557 |
| Base 8 | 23456748 | 23457058 |
| Base 9 | 11775619 | 11775719 |
| Base 10 | 64198010 | 64198910 |
| Base 11 | 3a936911 | 3a937711 |
| Base 12 | 26b62412 | 26b63112 |
| Base 13 | 19629113 | 19629a13 |
| Base 14 | 129d5a14 | 129d6514 |
| Base 15 | ca33a15 | ca34415 |
| Base 16 | 9cbbc16 | 9cbc516 |