Compare 661120 vs 661121
| Property | 661120 | 661121 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 9 | 1 |
| Prime factorization | 27 × 51 × 10331 | 6611211 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 1033 | 661121 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1033, 2066, 4132, 5165, 8264, 10330, 16528, 20660, 33056, 41320, 66112, 82640, 132224, 165280, 330560, 661120 | 1, 661121 |
| Number of properties | 0 | 6 |
| Additive primes | 20947th | |
| Chen primes | 20992nd | |
| Cousin primes (2nd member) | 5784th | |
| Happy primes | 7607th | |
| Isolated primes | 42079th | |
| Primes | 53660th | |
| Roman numberals | ||
| Base 2 | 101000010110100000002 | 101000010110100000012 |
| Base 3 | 10201202122213 | 10201202122223 |
| Base 4 | 22011220004 | 22011220014 |
| Base 5 | 1321234405 | 1321234415 |
| Base 6 | 221004246 | 221004256 |
| Base 7 | 54223157 | 54223167 |
| Base 8 | 24132008 | 24132018 |
| Base 9 | 12167879 | 12167889 |
| Base 10 | 66112010 | 66112110 |
| Base 11 | 41178911 | 41178a11 |
| Base 12 | 27a71412 | 27a71512 |
| Base 13 | 1a1bc513 | 1a1bc613 |
| Base 14 | 132d0c14 | 132d0d14 |
| Base 15 | d0d4a15 | d0d4b15 |
| Base 16 | a168016 | a168116 |