Compare 640021 vs 640030

Property	640021	640030
Type	semiprime	composite number
Unique factors	2	4
Total factors	2	4
Prime factorization	23¹ × 27827¹	2¹ × 5¹ × 29¹ × 2207¹
Prime factorization	23 × 27827	2 × 5 × 29 × 2207
Divisors count	4	16
Divisors	1, 23, 27827, 640021	1, 2, 5, 10, 29, 58, 145, 290, 2207, 4414, 11035, 22070, 64003, 128006, 320015, 640030
Number of properties	1	0
Semiprimes	137148th
Roman numberals
Base 2	10011100010000010101₂	10011100010000011110₂
Base 3	1012111221111₃	1012111221211₃
Base 4	2130100111₄	2130100132₄
Base 5	130440041₅	130440110₅
Base 6	21415021₆	21415034₆
Base 7	5303644₇	5303656₇
Base 8	2342025₈	2342036₈
Base 9	1174844₉	1174854₉
Base 10	640021₁₀	640030₁₀
Base 11	3a7948₁₁	3a7956₁₁
Base 12	26a471₁₂	26a47a₁₂
Base 13	195415₁₃	195421₁₃
Base 14	12935b₁₄	129366₁₄
Base 15	c9981₁₅	c998a₁₅
Base 16	9c415₁₆	9c41e₁₆