Compare 638977 vs 638986

Property	638977	638986
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	638977¹	2¹ × 23¹ × 29¹ × 479¹
Prime factorization	638977	2 × 23 × 29 × 479
Divisors count	2	16
Divisors	1, 638977	1, 2, 23, 29, 46, 58, 479, 667, 958, 1334, 11017, 13891, 22034, 27782, 319493, 638986
Number of properties	5	0
Isolated primes	40753rd
Lucky primes	5967th
Primes	52000th
Proth primes	194th
Sexy primes (2nd member)	11267th
Roman numberals
Base 2	10011100000000000001₂	10011100000000001010₂
Base 3	1012110111211₃	1012110112011₃
Base 4	2130000001₄	2130000022₄
Base 5	130421402₅	130421421₅
Base 6	21410121₆	21410134₆
Base 7	5300623₇	5300635₇
Base 8	2340001₈	2340012₈
Base 9	1173454₉	1173464₉
Base 10	638977₁₀	638986₁₀
Base 11	3a7089₁₁	3a7097₁₁
Base 12	269941₁₂	26994a₁₂
Base 13	194ac1₁₃	194aca₁₃
Base 14	128c13₁₄	128c1c₁₄
Base 15	c94d7₁₅	c94e1₁₅
Base 16	9c001₁₆	9c00a₁₆