1. Numbers
  2. Compare 21997 vs 22001

Compare 21997 vs 22001

Property2199722001
Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization21997172 × 4491
Prime factorization219977 × 7 × 449
Divisors count26
Divisors1, 219971, 7, 49, 449, 3143, 22001
Number of properties80
Chen primes1209th 
Isolated primes1721st 
Left-truncatable primes173rd 
Primes2464th 
Pythagorean primes1223rd 
Sexy primes (1st member)743rd 
Sexy primes (2nd member)742nd 
Sexy prime triplets (2nd member)202nd 
Roman numberals  
Base 210101011110110121010101111100012
Base 31010011201310100112123
Base 4111132314111133014
Base 51200442512010015
Base 624550162455056
Base 712106371211007
Base 8527558527618
Base 9331519331559
Base 1021997102200110
Base 1115588111559111
Base 1210891121089512
Base 13a02113a02513
Base 14803314803714
Base 1567b71567bb15
Base 1655ed1655f116
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