Compare 660129 vs 660137
| Property | 660129 | 660137 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 2931 × 7511 | 6601371 |
| Prime factorization | 3 × 293 × 751 | 660137 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 293, 751, 879, 2253, 220043, 660129 | 1, 660137 |
| Number of properties | 0 | 5 |
| Additive primes | 20918th | |
| Chen primes | 20961st | |
| Isolated primes | 42023rd | |
| Primes | 53578th | |
| Sexy primes (2nd member) | 11571st | |
| Roman numberals | ||
| Base 2 | 101000010010101000012 | 101000010010101010012 |
| Base 3 | 10201121120203 | 10201121121123 |
| Base 4 | 22010222014 | 22010222214 |
| Base 5 | 1321110045 | 1321110225 |
| Base 6 | 220520536 | 220521056 |
| Base 7 | 54164017 | 54164127 |
| Base 8 | 24112418 | 24112518 |
| Base 9 | 12154669 | 12154759 |
| Base 10 | 66012910 | 66013710 |
| Base 11 | 410a6811 | 410a7511 |
| Base 12 | 27a02912 | 27a03512 |
| Base 13 | 1a161213 | 1a161a13 |
| Base 14 | 13280114 | 13280914 |
| Base 15 | d08d915 | d08e215 |
| Base 16 | a12a116 | a12a916 |