1. Numbers
  2. Compare 19421 vs 19997

Compare 19421 vs 19997

Property1942119997
Typeprimeprime
Unique factors11
Total factors11
Prime factorization194211199971
Prime factorization1942119997
Divisors count22
Divisors1, 194211, 19997
Number of properties189
Additive primes1021st 
Chen primes1088th1112th
Cousin primes (2nd member)340th344th
Emirps605th 
Good primes254th 
Happy primes371st377th
Harmonic primes 821st
Isolated primes 1579th
Long primes838th 
Primes2199th2262nd
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 
Prime triplets (3rd member) 168th
Pythagorean primes1091st1125th
Sexy primes (1st member)672nd 
Sexy primes (2nd member) 693rd
Sexy prime triplets (1st member)185th 
Twin primes (1st member)333rd 
Roman numberals  
Base 210010111101110121001110000111012
Base 3222122022310001021223
Base 4102331314103201314
Base 51110141511144425
Base 622552562323256
Base 711042371122057
Base 8457358470358
Base 9285689303789
Base 1019421101999710
Base 1113656111402a11
Base 12b2a512b6a512
Base 138abc13914313
Base 14711314740514
Base 155b4b155dd215
Base 164bdd164e1d16
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