Compare 981221 vs 981397
| Property | 981221 | 981397 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9812211 | 9813971 |
| Prime factorization | 981221 | 981397 |
| Divisors count | 2 | 2 |
| Divisors | 1, 981221 | 1, 981397 |
| Number of properties | 5 | 6 |
| Additive primes | 29599th | 29607th |
| Chen primes | 29480th | 29484th |
| Emirps | 10768th | |
| Isolated primes | 61066th | 61077th |
| Primes | 77153rd | 77166th |
| Sexy primes (2nd member) | 16125th | |
| Super primes | 7580th | |
| Roman numberals | ||
| Base 2 | 111011111000111001012 | 111011111001100101012 |
| Base 3 | 12112112221123 | 12112120200013 |
| Base 4 | 32332032114 | 32332121114 |
| Base 5 | 2223443415 | 2224010425 |
| Base 6 | 330104056 | 330113016 |
| Base 7 | 112244637 | 112251347 |
| Base 8 | 35743458 | 35746258 |
| Base 9 | 17548759 | 17552019 |
| Base 10 | 98122110 | 98139710 |
| Base 11 | 61022a11 | 61037a11 |
| Base 12 | 3b3a0512 | 3b3b3112 |
| Base 13 | 28480713 | 28491113 |
| Base 14 | 1b783314 | 1b791b14 |
| Base 15 | 145aeb15 | 145bb715 |
| Base 16 | ef8e516 | ef99516 |