Compare 639626 vs 639631

Property	639626	639631
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 13¹ × 73¹ × 337¹	639631¹
Prime factorization	2 × 13 × 73 × 337	639631
Divisors count	16	2
Divisors	1, 2, 13, 26, 73, 146, 337, 674, 949, 1898, 4381, 8762, 24601, 49202, 319813, 639626	1, 639631
Number of properties	0	3
Isolated primes		40792nd
Primes		52047th
Sexy primes (1st member)		11279th
Roman numberals
Base 2	10011100001010001010₂	10011100001010001111₂
Base 3	1012111101212₃	1012111102001₃
Base 4	2130022022₄	2130022033₄
Base 5	130432001₅	130432011₅
Base 6	21413122₆	21413131₆
Base 7	5302541₇	5302546₇
Base 8	2341212₈	2341217₈
Base 9	1174355₉	1174361₉
Base 10	639626₁₀	639631₁₀
Base 11	3a7619₁₁	3a7623₁₁
Base 12	26a1a2₁₂	26a1a7₁₂
Base 13	1951a0₁₃	1951a5₁₃
Base 14	129158₁₄	12915d₁₄
Base 15	c97bb₁₅	c97c1₁₅
Base 16	9c28a₁₆	9c28f₁₆