Compare 145115 vs 145121
| Property | 145115 | 145121 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 290231 | 1451211 |
| Prime factorization | 5 × 29023 | 145121 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 29023, 145115 | 1, 145121 |
| Number of properties | 1 | 5 |
| Harmonic primes | 5043rd | |
| Isolated primes | 10132nd | |
| Primes | 13433rd | |
| Pythagorean primes | 6695th | |
| Semiprimes | 33327th | |
| Sophie germain primes | 1596th | |
| Roman numberals | ||
| Base 2 | 1000110110110110112 | 1000110110111000012 |
| Base 3 | 211010011223 | 211010012123 |
| Base 4 | 2031231234 | 2031232014 |
| Base 5 | 141204305 | 141204415 |
| Base 6 | 30354556 | 30355056 |
| Base 7 | 11430357 | 11430447 |
| Base 8 | 4333338 | 4333418 |
| Base 9 | 2410489 | 2410559 |
| Base 10 | 14511510 | 14512110 |
| Base 11 | 9a03311 | 9a03911 |
| Base 12 | 6bb8b12 | 6bb9512 |
| Base 13 | 5108913 | 5109213 |
| Base 14 | 3ac5514 | 3ac5b14 |
| Base 15 | 2cee515 | 2ceeb15 |
| Base 16 | 236db16 | 236e116 |