1. Numbers
  2. Compare 21389 vs 21397

Compare 21389 vs 21397

Property2138921397
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization731 × 2931213971
Prime factorization73 × 29321397
Divisors count42
Divisors1, 73, 293, 213891, 21397
Number of properties15
Cousin primes (1st member) 365th
Isolated primes 1677th
Primes 2402nd
Pythagorean primes 1191st
Semiprimes5420th 
Sexy primes (2nd member) 729th
Roman numberals  
Base 210100111000110121010011100101012
Base 31002100012310021001113
Base 4110320314110321114
Base 51141024511410425
Base 624300562430216
Base 711623471162457
Base 8516158516258
Base 9323059323149
Base 1021389102139710
Base 1115085111509211
Base 1210465121047112
Base 13997413997c13
Base 147b1b147b2514
Base 15650e15651715
Base 16538d16539516
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