Compare 154940 vs 154943
| Property | 154940 | 154943 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 22 × 51 × 611 × 1271 | 1549431 |
| Prime factorization | 2 × 2 × 5 × 61 × 127 | 154943 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 305, 508, 610, 635, 1220, 1270, 2540, 7747, 15494, 30988, 38735, 77470, 154940 | 1, 154943 |
| Number of properties | 0 | 6 |
| Harmonic primes | 5347th | |
| Isolated primes | 10761st | |
| Long primes | 5320th | |
| Primes | 14270th | |
| Safe primes | 947th | |
| Sexy primes (2nd member) | 3491st | |
| Roman numberals | ||
| Base 2 | 1001011101001111002 | 1001011101001111112 |
| Base 3 | 212121121123 | 212121121223 |
| Base 4 | 2113103304 | 2113103334 |
| Base 5 | 144242305 | 144242335 |
| Base 6 | 31531526 | 31531556 |
| Base 7 | 12135027 | 12135057 |
| Base 8 | 4564748 | 4564778 |
| Base 9 | 2554759 | 2554789 |
| Base 10 | 15494010 | 15494310 |
| Base 11 | a645511 | a645811 |
| Base 12 | 757b812 | 757bb12 |
| Base 13 | 556a613 | 556a913 |
| Base 14 | 4067214 | 4067514 |
| Base 15 | 30d9515 | 30d9815 |
| Base 16 | 25d3c16 | 25d3f16 |