Compare 640967 vs 640972

Property	640967	640972
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	640967¹	2² × 160243¹
Prime factorization	640967	2 × 2 × 160243
Divisors count	2	6
Divisors	1, 640967	1, 2, 4, 160243, 320486, 640972
Number of properties	5	0
Cousin primes (2nd member)	5638th
Isolated primes	40874th
Primes	52149th
Safe primes	3022nd
Sexy primes (1st member)	11301st
Roman numberals
Base 2	10011100011111000111₂	10011100011111001100₂
Base 3	1012120020112₃	1012120020201₃
Base 4	2130133013₄	2130133030₄
Base 5	131002332₅	131002342₅
Base 6	21423235₆	21423244₆
Base 7	5306465₇	5306503₇
Base 8	2343707₈	2343714₈
Base 9	1176215₉	1176221₉
Base 10	640967₁₀	640972₁₀
Base 11	3a8628₁₁	3a8632₁₁
Base 12	26ab1b₁₂	26ab24₁₂
Base 13	195992₁₃	195997₁₃
Base 14	129835₁₄	12983a₁₄
Base 15	c9db2₁₅	c9db7₁₅
Base 16	9c7c7₁₆	9c7cc₁₆