Compare 139 vs 140

Property139140
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization139122 × 51 × 71
Prime factorization1392 × 2 × 5 × 7
Divisors count212
Divisors1, 1391, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140
Number of properties60
Additive primes19th 
Chen primes28th 
Happy primes10th 
Harmonic primes11th 
Primes34th 
Twin primes (2nd member)11th 
Roman numberalsCXXXIXCXL
Base 2100010112100011002
Base 3120113120123
Base 42023420304
Base 51024510305
Base 635163526
Base 725672607
Base 821382148
Base 916491659
Base 101391014010
Base 111171111811
Base 12b712b812
Base 13a913aa13
Base 149d14a014
Base 1594159515
Base 168b168c16
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