Compare 20663 vs 21011
| Property | 20663 | 21011 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206631 | 210111 |
| Prime factorization | 20663 | 21011 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20663 | 1, 21011 |
| Number of properties | 7 | 12 |
| Additive primes | 1081st | 1094th |
| Chen primes | 1144th | 1163rd |
| Happy primes | 391st | |
| Harmonic primes | 850th | |
| Isolated primes | 1627th | |
| Long primes | 886th | 897th |
| Primes | 2328th | 2362nd |
| Prime quadruplets (1st member) | 20th | |
| Prime quintuplet 2s (1st member) | 7th | |
| Prime triplets (1st member) | 175th | |
| Safe primes | 197th | |
| Sexy primes (1st member) | 714th | |
| Sexy prime triplets (1st member) | 196th | |
| Sophie germain primes | 342nd | |
| Twin primes (1st member) | 358th | |
| Roman numberals | ||
| Base 2 | 1010000101101112 | 1010010000100112 |
| Base 3 | 10011000223 | 10012110123 |
| Base 4 | 110023134 | 110201034 |
| Base 5 | 11301235 | 11330215 |
| Base 6 | 2353556 | 2411356 |
| Base 7 | 1141467 | 1151547 |
| Base 8 | 502678 | 510238 |
| Base 9 | 313089 | 317359 |
| Base 10 | 2066310 | 2101110 |
| Base 11 | 1458511 | 1487111 |
| Base 12 | bb5b12 | 101ab12 |
| Base 13 | 953613 | 974313 |
| Base 14 | 775d14 | 792b14 |
| Base 15 | 61c815 | 635b15 |
| Base 16 | 50b716 | 521316 |