Compare 971 vs 980

Property971980
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization971122 × 51 × 72
Prime factorization9712 × 2 × 5 × 7 × 7
Divisors count218
Divisors1, 9711, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980
Number of properties110
Additive primes87th 
Chen primes112th 
Class 1+ primes19th 
Cousin primes (2nd member)41st 
Emirps34th 
Isolated primes95th 
Long primes58th 
Pierpont primes of the 2nd kind19th 
Primes164th 
Sexy primes (1st member)72nd 
Sexy prime triplets (1st member)28th 
Roman numberalsCMLXXICMLXXX
Base 21111001011211110101002
Base 31022222311000223
Base 4330234331104
Base 5123415124105
Base 64255643126
Base 72555726007
Base 81713817248
Base 91288913089
Base 109711098010
Base 118031181111
Base 1268b1269812
Base 13599135a513
Base 144d51450014
Base 1544b1545515
Base 163cb163d416
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