Compare 21283 vs 21407
| Property | 21283 | 21407 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212831 | 214071 |
| Prime factorization | 21283 | 21407 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21283 | 1, 21407 |
| Number of properties | 5 | 6 |
| Chen primes | 1180th | |
| Happy primes | 395th | 398th |
| Isolated primes | 1670th | 1679th |
| Left-truncatable primes | 170th | |
| Long primes | 911th | |
| Primes | 2391st | 2404th |
| Sexy primes (2nd member) | 724th | 730th |
| Roman numberals | ||
| Base 2 | 1010011001000112 | 1010011100111112 |
| Base 3 | 10020120213 | 10021002123 |
| Base 4 | 110302034 | 110321334 |
| Base 5 | 11401135 | 11411125 |
| Base 6 | 2423116 | 2430356 |
| Base 7 | 1160237 | 1162617 |
| Base 8 | 514438 | 516378 |
| Base 9 | 321679 | 323259 |
| Base 10 | 2128310 | 2140710 |
| Base 11 | 14a9911 | 150a111 |
| Base 12 | 1039712 | 1047b12 |
| Base 13 | 98c213 | 998913 |
| Base 14 | 7a8314 | 7b3114 |
| Base 15 | 648d15 | 652215 |
| Base 16 | 532316 | 539f16 |