1. Numbers
  2. Compare 21992 vs 21997

Compare 21992 vs 21997

Property2199221997
Typecomposite numberprime
Unique factors21
Total factors41
Prime factorization23 × 27491219971
Prime factorization2 × 2 × 2 × 274921997
Divisors count82
Divisors1, 2, 4, 8, 2749, 5498, 10996, 219921, 21997
Number of properties08
Chen primes 1209th
Isolated primes 1721st
Left-truncatable primes 173rd
Primes 2464th
Pythagorean primes 1223rd
Sexy primes (1st member) 743rd
Sexy primes (2nd member) 742nd
Sexy prime triplets (2nd member) 202nd
Roman numberals  
Base 210101011110100021010101111011012
Base 31010011112310100112013
Base 4111132204111132314
Base 51200432512004425
Base 624545262455016
Base 712105571210637
Base 8527508527558
Base 9331459331519
Base 1021992102199710
Base 1115583111558811
Base 1210888121089112
Base 13a01913a02113
Base 14802c14803314
Base 1567b21567b715
Base 1655e81655ed16
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