1. Numbers
  2. Compare 21397 vs 21402

Compare 21397 vs 21402

Property2139721402
Typeprimecomposite number
Unique factors14
Total factors15
Prime factorization21397121 × 32 × 291 × 411
Prime factorization213972 × 3 × 3 × 29 × 41
Divisors count224
Divisors1, 213971, 2, 3, 6, 9, 18, 29, 41, 58, 82, 87, 123, 174, 246, 261, 369, 522, 738, 1189, 2378, 3567, 7134, 10701, 21402
Number of properties50
Cousin primes (1st member)365th 
Isolated primes1677th 
Primes2402nd 
Pythagorean primes1191st 
Sexy primes (2nd member)729th 
Roman numberals  
Base 210100111001010121010011100110102
Base 31002100111310021002003
Base 4110321114110321224
Base 51141042511411025
Base 624302162430306
Base 711624571162537
Base 8516258516328
Base 9323149323209
Base 1021397102140210
Base 1115092111509711
Base 1210471121047612
Base 13997c13998413
Base 147b25147b2a14
Base 15651715651c15
Base 16539516539a16
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