Compare 1640 vs 1647

Property	1640	1647
Type	composite number	composite number
Unique factors	3	2
Total factors	5	4
Prime factorization	2³ × 5¹ × 41¹	3³ × 61¹
Prime factorization	2 × 2 × 2 × 5 × 41	3 × 3 × 3 × 61
Divisors count	16	8
Divisors	1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640	1, 3, 9, 27, 61, 183, 549, 1647
Number of properties	0	0
Roman numberals	MDCXL	MDCXLVII
Base 2	11001101000₂	11001101111₂
Base 3	2020202₃	2021000₃
Base 4	121220₄	121233₄
Base 5	23030₅	23042₅
Base 6	11332₆	11343₆
Base 7	4532₇	4542₇
Base 8	3150₈	3157₈
Base 9	2222₉	2230₉
Base 10	1640₁₀	1647₁₀
Base 11	1261₁₁	1268₁₁
Base 12	b48₁₂	b53₁₂
Base 13	992₁₃	999₁₃
Base 14	852₁₄	859₁₄
Base 15	745₁₅	74c₁₅
Base 16	668₁₆	66f₁₆