Compare 201827 vs 202931

Property201827202931
Typeprimeprime
Unique factors11
Total factors11
Prime factorization20182712029311
Prime factorization201827202931
Divisors count22
Divisors1, 2018271, 202931
Number of properties146
Additive primes 7334th
Chen primes7582nd7619th
Cousin primes (2nd member)2150th 
Harmonic primes 6841st
Primes18131st18219th
Prime quadruplets (3rd member)54th 
Prime quintuplet 2s (3rd member)15th 
Prime triplets (1st member)846th 
Prime triplets (2nd member)845th 
Prime triplets (3rd member)844th 
Safe primes1179th 
Sexy primes (1st member)4328th 
Sexy primes (2nd member)4326th 
Sexy prime triplets (2nd member)870th 
Sophie germain primes 2079th
Super primes2078th 
Twin primes (1st member)2173rd2180th
Roman numberals  
Base 211000101000110001121100011000101100112
Base 310102021200231010221002223
Base 430110120343012023034
Base 5224243025224432115
Base 64154215642032556
Base 71500263715034317
Base 861214386142638
Base 933676293383289
Base 102018271020293110
Base 111286aa1112951311
Base 129896b129952b12
Base 1370b3213714a113
Base 14537a31453d5114
Base 153ec0215401db15
Base 163146316318b316
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