1. Numbers
  2. Compare 21385 vs 21397

Compare 21385 vs 21397

Property2138521397
Typecomposite numberprime
Unique factors41
Total factors41
Prime factorization51 × 71 × 131 × 471213971
Prime factorization5 × 7 × 13 × 4721397
Divisors count162
Divisors1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 3055, 4277, 213851, 21397
Number of properties05
Cousin primes (1st member) 365th
Isolated primes 1677th
Primes 2402nd
Pythagorean primes 1191st
Sexy primes (2nd member) 729th
Roman numberals  
Base 210100111000100121010011100101012
Base 31002100001310021001113
Base 4110320214110321114
Base 51141020511410425
Base 624300162430216
Base 711623071162457
Base 8516118516258
Base 9323019323149
Base 1021385102139710
Base 1115081111509211
Base 1210461121047112
Base 13997013997c13
Base 147b17147b2514
Base 15650a15651715
Base 16538916539516
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