Compare 640143 vs 640147

Property	640143	640147
Type	composite number	semiprime
Unique factors	3	2
Total factors	6	2
Prime factorization	3⁴ × 7¹ × 1129¹	277¹ × 2311¹
Prime factorization	3 × 3 × 3 × 3 × 7 × 1129	277 × 2311
Divisors count	20	4
Divisors	1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1129, 3387, 7903, 10161, 23709, 30483, 71127, 91449, 213381, 640143	1, 277, 2311, 640147
Number of properties	0	1
Semiprimes		137172nd
Roman numberals
Base 2	10011100010010001111₂	10011100010010010011₂
Base 3	1012112010000₃	1012112010011₃
Base 4	2130102033₄	2130102103₄
Base 5	130441033₅	130441042₅
Base 6	21415343₆	21415351₆
Base 7	5304210₇	5304214₇
Base 8	2342217₈	2342223₈
Base 9	1175100₉	1175104₉
Base 10	640143₁₀	640147₁₀
Base 11	3a7a49₁₁	3a7a52₁₁
Base 12	26a553₁₂	26a557₁₂
Base 13	1954aa₁₃	1954b1₁₃
Base 14	129407₁₄	12940b₁₄
Base 15	c9a13₁₅	c9a17₁₅
Base 16	9c48f₁₆	9c493₁₆