Compare 640 vs 640

Property	640	640
Type	composite number	composite number
Unique factors	2	2
Total factors	8	8
Prime factorization	2⁷ × 5¹	2⁷ × 5¹
Prime factorization	2 × 2 × 2 × 2 × 2 × 2 × 2 × 5	2 × 2 × 2 × 2 × 2 × 2 × 2 × 5
Divisors count	16	16
Divisors	1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640	1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640
Number of properties	0	0
Roman numberals	DCXL	DCXL
Base 2	1010000000₂	1010000000₂
Base 3	212201₃	212201₃
Base 4	22000₄	22000₄
Base 5	10030₅	10030₅
Base 6	2544₆	2544₆
Base 7	1603₇	1603₇
Base 8	1200₈	1200₈
Base 9	781₉	781₉
Base 10	640₁₀	640₁₀
Base 11	532₁₁	532₁₁
Base 12	454₁₂	454₁₂
Base 13	3a3₁₃	3a3₁₃
Base 14	33a₁₄	33a₁₄
Base 15	2ca₁₅	2ca₁₅
Base 16	280₁₆	280₁₆