1. Numbers
  2. Compare 21221 vs 21222

Compare 21221 vs 21222

Property2122121222
Typeprimecomposite number
Unique factors13
Total factors16
Prime factorization21221121 × 34 × 1311
Prime factorization212212 × 3 × 3 × 3 × 3 × 131
Divisors count220
Divisors1, 212211, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 262, 393, 786, 1179, 2358, 3537, 7074, 10611, 21222
Number of properties60
Chen primes1172nd 
Isolated primes1665th 
Primes2386th 
Pythagorean primes1184th 
Sexy primes (1st member)723rd 
Sophie germain primes346th 
Roman numberals  
Base 210100101110010121010010111001102
Base 31002002222310020100003
Base 4110232114110232124
Base 51134341511343425
Base 624212562421306
Base 711560471156057
Base 8513458513468
Base 9320889321009
Base 1021221102122210
Base 1114a421114a4311
Base 1210345121034612
Base 13987513987613
Base 147a3b147a3c14
Base 15644b15644c15
Base 1652e51652e616
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