Compare 640627 vs 640631

Property	640627	640631
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	13¹ × 49279¹	640631¹
Prime factorization	13 × 49279	640631
Divisors count	4	2
Divisors	1, 13, 49279, 640627	1, 640631
Number of properties	1	3
Isolated primes		40849th
Primes		52122nd
Semiprimes	137277th
Sophie germain primes		5310th
Roman numberals
Base 2	10011100011001110011₂	10011100011001110111₂
Base 3	1012112202221₃	1012112210002₃
Base 4	2130121303₄	2130121313₄
Base 5	131000002₅	131000011₅
Base 6	21421511₆	21421515₆
Base 7	5305501₇	5305505₇
Base 8	2343163₈	2343167₈
Base 9	1175687₉	1175702₉
Base 10	640627₁₀	640631₁₀
Base 11	3a8349₁₁	3a8352₁₁
Base 12	26a897₁₂	26a89b₁₂
Base 13	195790₁₃	195794₁₃
Base 14	129671₁₄	129675₁₄
Base 15	c9c37₁₅	c9c3b₁₅
Base 16	9c673₁₆	9c677₁₆