1. Numbers
  2. Compare 21157 vs 21158

Compare 21157 vs 21158

Property2115721158
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization21157121 × 711 × 1491
Prime factorization211572 × 71 × 149
Divisors count28
Divisors1, 211571, 2, 71, 142, 149, 298, 10579, 21158
Number of properties50
Isolated primes1659th 
Primes2378th 
Pythagorean primes1181st 
Sexy primes (1st member)720th 
Sexy prime triplets (1st member)197th 
Roman numberals  
Base 210100101010010121010010101001102
Base 31002000121310020001223
Base 4110222114110222124
Base 51134112511341135
Base 624154162415426
Base 711545371154547
Base 8512458512468
Base 9320179320189
Base 1021157102115810
Base 1114994111499511
Base 12102b112102b212
Base 13982613982713
Base 1479d31479d414
Base 15640715640815
Base 1652a51652a616
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