Compare 640366 vs 640369
| Property | 640366 | 640369 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 231 × 139211 | 6403691 |
| Prime factorization | 2 × 23 × 13921 | 640369 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 23, 46, 13921, 27842, 320183, 640366 | 1, 640369 |
| Number of properties | 0 | 4 |
| Isolated primes | 40836th | |
| Lucky primes | 5982nd | |
| Primes | 52107th | |
| Sexy primes (2nd member) | 11289th | |
| Roman numberals | ||
| Base 2 | 100111000101011011102 | 100111000101011100012 |
| Base 3 | 10121121020213 | 10121121021013 |
| Base 4 | 21301112324 | 21301113014 |
| Base 5 | 1304424315 | 1304424345 |
| Base 6 | 214203546 | 214204016 |
| Base 7 | 53046467 | 53046527 |
| Base 8 | 23425568 | 23425618 |
| Base 9 | 11753679 | 11753719 |
| Base 10 | 64036610 | 64036910 |
| Base 11 | 3a813111 | 3a813411 |
| Base 12 | 26a6ba12 | 26a70112 |
| Base 13 | 19561c13 | 19562213 |
| Base 14 | 12952614 | 12952914 |
| Base 15 | c9b1115 | c9b1415 |
| Base 16 | 9c56e16 | 9c57116 |