Compare 639986 vs 640021

Property	639986	640021
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	2¹ × 319993¹	23¹ × 27827¹
Prime factorization	2 × 319993	23 × 27827
Divisors count	4	4
Divisors	1, 2, 319993, 639986	1, 23, 27827, 640021
Number of properties	1	1
Semiprimes	137144th	137148th
Roman numberals
Base 2	10011100001111110010₂	10011100010000010101₂
Base 3	1012111220012₃	1012111221111₃
Base 4	2130033302₄	2130100111₄
Base 5	130434421₅	130440041₅
Base 6	21414522₆	21415021₆
Base 7	5303564₇	5303644₇
Base 8	2341762₈	2342025₈
Base 9	1174805₉	1174844₉
Base 10	639986₁₀	640021₁₀
Base 11	3a7916₁₁	3a7948₁₁
Base 12	26a442₁₂	26a471₁₂
Base 13	1953b9₁₃	195415₁₃
Base 14	129334₁₄	12935b₁₄
Base 15	c995b₁₅	c9981₁₅
Base 16	9c3f2₁₆	9c415₁₆