Compare 166147 vs 168449

Property166147168449
Typeprimeprime
Unique factors11
Total factors11
Prime factorization16614711684491
Prime factorization166147168449
Divisors count22
Divisors1, 1661471, 168449
Number of properties77
Chen primes 6526th
Cousin primes (1st member)1830th 
Emirps3365th 
Good primes901st909th
Happy primes2353rd 
Harmonic primes5700th 
Isolated primes11477th 
Primes15182nd15369th
Proth primes 124th
Pythagorean primes 7663rd
Sophie germain primes 1791st
Twin primes (1st member) 1871st
Roman numberals  
Base 210100010010000001121010010010000000012
Base 3221022201213221200012123
Base 422021000342210200014
Base 5203040425203422445
Base 63321111633355056
Base 71261252713010517
Base 850440385110018
Base 927281792760559
Base 101661471016844910
Base 111039131110561611
Base 1280197128159512
Base 135a817135b89813
Base 1444799144556114
Base 15343671534d9e15
Base 1628903162920116
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