1. Numbers
  2. Compare 21221 vs 21230

Compare 21221 vs 21230

Property2122121230
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization21221121 × 51 × 111 × 1931
Prime factorization212212 × 5 × 11 × 193
Divisors count216
Divisors1, 212211, 2, 5, 10, 11, 22, 55, 110, 193, 386, 965, 1930, 2123, 4246, 10615, 21230
Number of properties60
Chen primes1172nd 
Isolated primes1665th 
Primes2386th 
Pythagorean primes1184th 
Sexy primes (1st member)723rd 
Sophie germain primes346th 
Roman numberals  
Base 210100101110010121010010111011102
Base 31002002222310020100223
Base 4110232114110232324
Base 51134341511344105
Base 624212562421426
Base 711560471156167
Base 8513458513568
Base 9320889321089
Base 1021221102123010
Base 1114a421114a5011
Base 1210345121035212
Base 13987513988113
Base 147a3b147a4614
Base 15644b15645515
Base 1652e51652ee16
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