1. Numbers
  2. Compare 19421 vs 31721

Compare 19421 vs 31721

Property1942131721
Typeprimeprime
Unique factors11
Total factors11
Prime factorization194211317211
Prime factorization1942131721
Divisors count22
Divisors1, 194211, 31721
Number of properties189
Additive primes1021st 
Chen primes1088th1628th
Cousin primes (2nd member)340th 
Emirps605th686th
Good primes254th 
Happy primes371st 
Long primes838th 
Primes2199th3410th
Prime quadruplets (1st member)19th23rd
Prime quintuplet 1s (2nd member)8th 
Prime quintuplet 2s (1st member)6th 
Prime sextuplets (2nd member)4th 
Prime triplets (1st member)165th236th
Prime triplets (2nd member)164th 
Pythagorean primes1091st1695th
Sexy primes (1st member)672nd998th
Sexy prime triplets (1st member)185th 
Sophie germain primes 462nd
Twin primes (1st member)333rd488th
Roman numberals  
Base 210010111101110121111011111010012
Base 3222122022311211112123
Base 4102331314132332214
Base 51110141520033415
Base 622552564025056
Base 711042371613247
Base 8457358757518
Base 9285689474559
Base 1019421103172110
Base 1113656112191811
Base 12b2a5121643512
Base 138abc131159113
Base 14711314b7bb14
Base 155b4b1595eb15
Base 164bdd167be916
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