Compare 661137 vs 661139
| Property | 661137 | 661139 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 311 × 71091 | 6611391 |
| Prime factorization | 3 × 31 × 7109 | 661139 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 31, 93, 7109, 21327, 220379, 661137 | 1, 661139 |
| Number of properties | 0 | 4 |
| Chen primes | 20993rd | |
| Isolated primes | 42080th | |
| Primes | 53661st | |
| Safe primes | 3099th | |
| Roman numberals | ||
| Base 2 | 101000010110100100012 | 101000010110100100112 |
| Base 3 | 10201202201203 | 10201202201223 |
| Base 4 | 22011221014 | 22011221034 |
| Base 5 | 1321240225 | 1321240245 |
| Base 6 | 221004536 | 221004556 |
| Base 7 | 54223417 | 54223437 |
| Base 8 | 24132218 | 24132238 |
| Base 9 | 12168169 | 12168189 |
| Base 10 | 66113710 | 66113910 |
| Base 11 | 4117a411 | 4117a611 |
| Base 12 | 27a72912 | 27a72b12 |
| Base 13 | 1a1c0913 | 1a1c0b13 |
| Base 14 | 132d2114 | 132d2314 |
| Base 15 | d0d5c15 | d0d5e15 |
| Base 16 | a169116 | a169316 |