Compare 641540 vs 641551
| Property | 641540 | 641551 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 320771 | 6415511 |
| Prime factorization | 2 × 2 × 5 × 32077 | 641551 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 32077, 64154, 128308, 160385, 320770, 641540 | 1, 641551 |
| Number of properties | 0 | 3 |
| Lucky primes | 5991st | |
| Primes | 52190th | |
| Twin primes (2nd member) | 5642nd | |
| Roman numberals | ||
| Base 2 | 100111001010000001002 | 100111001010000011112 |
| Base 3 | 10121210002023 | 10121210010113 |
| Base 4 | 21302200104 | 21302200334 |
| Base 5 | 1310121305 | 1310122015 |
| Base 6 | 214300326 | 214300516 |
| Base 7 | 53112447 | 53112617 |
| Base 8 | 23450048 | 23450178 |
| Base 9 | 11770229 | 11770349 |
| Base 10 | 64154010 | 64155110 |
| Base 11 | 3a8aa911 | 3a900911 |
| Base 12 | 26b31812 | 26b32712 |
| Base 13 | 19601313 | 19602113 |
| Base 14 | 129b2414 | 129b3114 |
| Base 15 | ca14515 | ca15115 |
| Base 16 | 9ca0416 | 9ca0f16 |