1. Numbers
  2. Compare 19421 vs 21157

Compare 19421 vs 21157

Property1942121157
Typeprimeprime
Unique factors11
Total factors11
Prime factorization194211211571
Prime factorization1942121157
Divisors count22
Divisors1, 194211, 21157
Number of properties185
Additive primes1021st 
Chen primes1088th 
Cousin primes (2nd member)340th 
Emirps605th 
Good primes254th 
Happy primes371st 
Isolated primes 1659th
Long primes838th 
Primes2199th2378th
Prime quadruplets (1st member)19th 
Prime quintuplet 1s (2nd member)8th 
Prime quintuplet 2s (1st member)6th 
Prime sextuplets (2nd member)4th 
Prime triplets (1st member)165th 
Prime triplets (2nd member)164th 
Pythagorean primes1091st1181st
Sexy primes (1st member)672nd720th
Sexy prime triplets (1st member)185th197th
Twin primes (1st member)333rd 
Roman numberals  
Base 210010111101110121010010101001012
Base 3222122022310020001213
Base 4102331314110222114
Base 51110141511341125
Base 622552562415416
Base 711042371154537
Base 8457358512458
Base 9285689320179
Base 1019421102115710
Base 1113656111499411
Base 12b2a512102b112
Base 138abc13982613
Base 1471131479d314
Base 155b4b15640715
Base 164bdd1652a516
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