Compare 640142 vs 640147

Property	640142	640147
Type	composite number	semiprime
Unique factors	3	2
Total factors	3	2
Prime factorization	2¹ × 263¹ × 1217¹	277¹ × 2311¹
Prime factorization	2 × 263 × 1217	277 × 2311
Divisors count	8	4
Divisors	1, 2, 263, 526, 1217, 2434, 320071, 640142	1, 277, 2311, 640147
Number of properties	0	1
Semiprimes		137172nd
Roman numberals
Base 2	10011100010010001110₂	10011100010010010011₂
Base 3	1012112002222₃	1012112010011₃
Base 4	2130102032₄	2130102103₄
Base 5	130441032₅	130441042₅
Base 6	21415342₆	21415351₆
Base 7	5304206₇	5304214₇
Base 8	2342216₈	2342223₈
Base 9	1175088₉	1175104₉
Base 10	640142₁₀	640147₁₀
Base 11	3a7a48₁₁	3a7a52₁₁
Base 12	26a552₁₂	26a557₁₂
Base 13	1954a9₁₃	1954b1₁₃
Base 14	129406₁₄	12940b₁₄
Base 15	c9a12₁₅	c9a17₁₅
Base 16	9c48e₁₆	9c493₁₆