Compare 639907 vs 642791

Property	639907	642791
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639907¹	642791¹
Prime factorization	639907	642791
Divisors count	2	2
Divisors	1, 639907	1, 642791
Number of properties	5	6
Additive primes		20430th
Chen primes		20447th
Cousin primes (1st member)	5630th
Good primes	1985th	1990th
Isolated primes	40806th	40967th
Primes	52067th	52272nd
Sexy primes (1st member)		11324th
Super primes	5325th
Roman numberals
Base 2	10011100001110100011₂	10011100111011100111₂
Base 3	1012111210021₃	1012122202002₃
Base 4	2130032203₄	2130323213₄
Base 5	130434112₅	131032131₅
Base 6	21414311₆	21435515₆
Base 7	5303422₇	5315012₇
Base 8	2341643₈	2347347₈
Base 9	1174707₉	1178662₉
Base 10	639907₁₀	642791₁₀
Base 11	3a7854₁₁	3a9a36₁₁
Base 12	26a397₁₂	26bb9b₁₂
Base 13	195358₁₃	196766₁₃
Base 14	1292b9₁₄	12a379₁₄
Base 15	c9907₁₅	ca6cb₁₅
Base 16	9c3a3₁₆	9cee7₁₆