1. Numbers
  2. Compare 21997 vs 22109

Compare 21997 vs 22109

Property2199722109
Typeprimeprime
Unique factors11
Total factors11
Prime factorization219971221091
Prime factorization2199722109
Divisors count22
Divisors1, 219971, 22109
Number of properties86
Chen primes1209th1216th
Harmonic primes 912th
Isolated primes1721st 
Left-truncatable primes173rd 
Long primes 935th
Primes2464th2478th
Pythagorean primes1223rd1228th
Sexy primes (1st member)743rd 
Sexy primes (2nd member)742nd 
Sexy prime triplets (2nd member)202nd 
Twin primes (1st member) 375th
Roman numberals  
Base 210101011110110121010110010111012
Base 31010011201310100222123
Base 4111132314111211314
Base 51200442512014145
Base 624550162502056
Base 712106371213137
Base 8527558531358
Base 9331519332859
Base 1021997102210910
Base 1115588111567a11
Base 1210891121096512
Base 13a02113a0a913
Base 1480331480b314
Base 1567b715683e15
Base 1655ed16565d16
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