1. Numbers
  2. Compare 21997 vs 22271

Compare 21997 vs 22271

Property2199722271
Typeprimeprime
Unique factors11
Total factors11
Prime factorization219971222711
Prime factorization2199722271
Divisors count22
Divisors1, 219971, 22271
Number of properties89
Chen primes1209th1220th
Isolated primes1721st 
Left-truncatable primes173rd 
Primes2464th2493rd
Prime quadruplets (1st member) 21st
Prime quintuplet 2s (1st member) 8th
Prime triplets (1st member) 187th
Pythagorean primes1223rd 
Sexy primes (1st member)743rd750th
Sexy primes (2nd member)742nd 
Sexy prime triplets (1st member) 205th
Sexy prime triplets (2nd member)202nd 
Sophie germain primes 359th
Twin primes (1st member) 377th
Roman numberals  
Base 210101011110110121010110111111112
Base 31010011201310101122123
Base 4111132314111233334
Base 51200442512030415
Base 624550162510356
Base 712106371216347
Base 8527558533778
Base 9331519334859
Base 1021997102227110
Base 1115588111580711
Base 12108911210a7b12
Base 13a02113a1a213
Base 14803314818b14
Base 1567b71568eb15
Base 1655ed1656ff16
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