Compare 1640 vs 1645

Property	1640	1645
Type	composite number	composite number
Unique factors	3	3
Total factors	5	3
Prime factorization	2³ × 5¹ × 41¹	5¹ × 7¹ × 47¹
Prime factorization	2 × 2 × 2 × 5 × 41	5 × 7 × 47
Divisors count	16	8
Divisors	1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640	1, 5, 7, 35, 47, 235, 329, 1645
Number of properties	0	0
Roman numberals	MDCXL	MDCXLV
Base 2	11001101000₂	11001101101₂
Base 3	2020202₃	2020221₃
Base 4	121220₄	121231₄
Base 5	23030₅	23040₅
Base 6	11332₆	11341₆
Base 7	4532₇	4540₇
Base 8	3150₈	3155₈
Base 9	2222₉	2227₉
Base 10	1640₁₀	1645₁₀
Base 11	1261₁₁	1266₁₁
Base 12	b48₁₂	b51₁₂
Base 13	992₁₃	997₁₃
Base 14	852₁₄	857₁₄
Base 15	745₁₅	74a₁₅
Base 16	668₁₆	66d₁₆