Compare 639660 vs 639671

Property	639660	639671
Type	composite number	prime
Unique factors	5	1
Total factors	6	1
Prime factorization	2² × 3¹ × 5¹ × 7¹ × 1523¹	639671¹
Prime factorization	2 × 2 × 3 × 5 × 7 × 1523	639671
Divisors count	48	2
Divisors	1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1523, 3046, 4569, 6092, 7615, 9138, 10661, 15230, 18276, 21322, 22845, 30460, 31983, 42644, 45690, 53305, 63966, 91380, 106610, 127932, 159915, 213220, 319830, 639660	1, 639671
Number of properties	0	3
Isolated primes		40795th
Primes		52050th
Sexy primes (1st member)		11280th
Roman numberals
Base 2	10011100001010101100₂	10011100001010110111₂
Base 3	1012111110010₃	1012111110112₃
Base 4	2130022230₄	2130022313₄
Base 5	130432120₅	130432141₅
Base 6	21413220₆	21413235₆
Base 7	5302620₇	5302634₇
Base 8	2341254₈	2341267₈
Base 9	1174403₉	1174415₉
Base 10	639660₁₀	639671₁₀
Base 11	3a764a₁₁	3a765a₁₁
Base 12	26a210₁₂	26a21b₁₂
Base 13	1951c8₁₃	195206₁₃
Base 14	129180₁₄	12918b₁₄
Base 15	c97e0₁₅	c97eb₁₅
Base 16	9c2ac₁₆	9c2b7₁₆