Compare 639668 vs 639671

Property	639668	639671
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 43¹ × 3719¹	639671¹
Prime factorization	2 × 2 × 43 × 3719	639671
Divisors count	12	2
Divisors	1, 2, 4, 43, 86, 172, 3719, 7438, 14876, 159917, 319834, 639668	1, 639671
Number of properties	0	3
Isolated primes		40795th
Primes		52050th
Sexy primes (1st member)		11280th
Roman numberals
Base 2	10011100001010110100₂	10011100001010110111₂
Base 3	1012111110102₃	1012111110112₃
Base 4	2130022310₄	2130022313₄
Base 5	130432133₅	130432141₅
Base 6	21413232₆	21413235₆
Base 7	5302631₇	5302634₇
Base 8	2341264₈	2341267₈
Base 9	1174412₉	1174415₉
Base 10	639668₁₀	639671₁₀
Base 11	3a7657₁₁	3a765a₁₁
Base 12	26a218₁₂	26a21b₁₂
Base 13	195203₁₃	195206₁₃
Base 14	129188₁₄	12918b₁₄
Base 15	c97e8₁₅	c97eb₁₅
Base 16	9c2b4₁₆	9c2b7₁₆