1. Numbers
  2. Compare 21214 vs 21221

Compare 21214 vs 21221

Property2121421221
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 106071212211
Prime factorization2 × 1060721221
Divisors count42
Divisors1, 2, 10607, 212141, 21221
Number of properties16
Chen primes 1172nd
Isolated primes 1665th
Primes 2386th
Pythagorean primes 1184th
Semiprimes5375th 
Sexy primes (1st member) 723rd
Sophie germain primes 346th
Roman numberals  
Base 210100101101111021010010111001012
Base 31002002201310020022223
Base 4110231324110232114
Base 51134324511343415
Base 624211462421256
Base 711556471156047
Base 8513368513458
Base 9320819320889
Base 1021214102122110
Base 1114a361114a4211
Base 121033a121034512
Base 13986b13987513
Base 147a34147a3b14
Base 15644415644b15
Base 1652de1652e516
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