Compare 640967 vs 640993

Property	640967	640993
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640967¹	640993¹
Prime factorization	640967	640993
Divisors count	2	2
Divisors	1, 640967	1, 640993
Number of properties	5	3
Additive primes		20381st
Cousin primes (2nd member)	5638th
Isolated primes	40874th	40876th
Primes	52149th	52151st
Safe primes	3022nd
Sexy primes (1st member)	11301st
Roman numberals
Base 2	10011100011111000111₂	10011100011111100001₂
Base 3	1012120020112₃	1012120021111₃
Base 4	2130133013₄	2130133201₄
Base 5	131002332₅	131002433₅
Base 6	21423235₆	21423321₆
Base 7	5306465₇	5306533₇
Base 8	2343707₈	2343741₈
Base 9	1176215₉	1176244₉
Base 10	640967₁₀	640993₁₀
Base 11	3a8628₁₁	3a8651₁₁
Base 12	26ab1b₁₂	26ab41₁₂
Base 13	195992₁₃	1959b2₁₃
Base 14	129835₁₄	129853₁₄
Base 15	c9db2₁₅	c9dcd₁₅
Base 16	9c7c7₁₆	9c7e1₁₆