Compare 505639 vs 505640

Property	505639	505640
Type	prime	composite number
Unique factors	1	3
Total factors	1	5
Prime factorization	505639¹	2³ × 5¹ × 12641¹
Prime factorization	505639	2 × 2 × 2 × 5 × 12641
Divisors count	2	16
Divisors	1, 505639	1, 2, 4, 5, 8, 10, 20, 40, 12641, 25282, 50564, 63205, 101128, 126410, 252820, 505640
Number of properties	6	0
Cousin primes (1st member)	4591st
Happy primes	6119th
Isolated primes	32754th
Lucky primes	4917th
Primes	41967th
Sexy primes (2nd member)	9264th
Roman numberals
Base 2	1111011011100100111₂	1111011011100101000₂
Base 3	221200121101₃	221200121102₃
Base 4	1323130213₄	1323130220₄
Base 5	112140024₅	112140030₅
Base 6	14500531₆	14500532₆
Base 7	4204111₇	4204112₇
Base 8	1733447₈	1733450₈
Base 9	850541₉	850542₉
Base 10	505639₁₀	505640₁₀
Base 11	315992₁₁	315993₁₁
Base 12	204747₁₂	204748₁₂
Base 13	1491c4₁₃	1491c5₁₃
Base 14	d23b1₁₄	d23b2₁₄
Base 15	9ec44₁₅	9ec45₁₅
Base 16	7b727₁₆	7b728₁₆