Compare 639664 vs 639671

Property	639664	639671
Type	composite number	prime
Unique factors	2	1
Total factors	5	1
Prime factorization	2⁴ × 39979¹	639671¹
Prime factorization	2 × 2 × 2 × 2 × 39979	639671
Divisors count	10	2
Divisors	1, 2, 4, 8, 16, 39979, 79958, 159916, 319832, 639664	1, 639671
Number of properties	0	3
Isolated primes		40795th
Primes		52050th
Sexy primes (1st member)		11280th
Roman numberals
Base 2	10011100001010110000₂	10011100001010110111₂
Base 3	1012111110021₃	1012111110112₃
Base 4	2130022300₄	2130022313₄
Base 5	130432124₅	130432141₅
Base 6	21413224₆	21413235₆
Base 7	5302624₇	5302634₇
Base 8	2341260₈	2341267₈
Base 9	1174407₉	1174415₉
Base 10	639664₁₀	639671₁₀
Base 11	3a7653₁₁	3a765a₁₁
Base 12	26a214₁₂	26a21b₁₂
Base 13	1951cc₁₃	195206₁₃
Base 14	129184₁₄	12918b₁₄
Base 15	c97e4₁₅	c97eb₁₅
Base 16	9c2b0₁₆	9c2b7₁₆