1. Numbers
  2. Compare 21187 vs 21190

Compare 21187 vs 21190

Property2118721190
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization21187121 × 51 × 131 × 1631
Prime factorization211872 × 5 × 13 × 163
Divisors count216
Divisors1, 211871, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 10595, 21190
Number of properties70
Additive primes1107th 
Cousin primes (1st member)361st 
Harmonic primes874th 
Isolated primes1663rd 
Primes2382nd 
Prime triplets (1st member)178th 
Sexy primes (1st member)722nd 
Roman numberals  
Base 210100101100001121010010110001102
Base 31002001201310020012113
Base 4110230034110230124
Base 51134222511342305
Base 624203162420346
Base 711552571155317
Base 8513038513068
Base 9320519320549
Base 1021187102119010
Base 1114a111114a1411
Base 1210317121031a12
Base 13984a13985013
Base 147a15147a1814
Base 15642715642a15
Base 1652c31652c616
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