1. Numbers
  2. Compare 221 vs 227

Compare 221 vs 227

Property221227
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization131 × 1712271
Prime factorization13 × 17227
Divisors count42
Divisors1, 13, 17, 2211, 227
Number of properties111
Additive primes 29th
Chen primes 38th
Cousin primes (2nd member) 15th
Good primes 18th
Primes 49th
Prime triplets (1st member) 16th
Prime triplets (2nd member) 15th
Safe primes 11th
Semiprimes75th 
Sexy primes (1st member) 28th
Sexy prime triplets (1st member) 14th
Twin primes (1st member) 16th
Roman numberalsCCXXICCXXVII
Base 2110111012111000112
Base 3220123221023
Base 43131432034
Base 51341514025
Base 61005610156
Base 743474437
Base 833583438
Base 926592729
Base 102211022710
Base 111911119711
Base 121651216b12
Base 131401314613
Base 1411b1412314
Base 15eb1510215
Base 16dd16e316
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