Compare 644 vs 648

Property	644	648
Type	composite number	composite number
Unique factors	3	2
Total factors	4	7
Prime factorization	2² × 7¹ × 23¹	2³ × 3⁴
Prime factorization	2 × 2 × 7 × 23	2 × 2 × 2 × 3 × 3 × 3 × 3
Divisors count	12	20
Divisors	1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644	1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648
Number of properties	0	0
Roman numberals	DCXLIV	DCXLVIII
Base 2	1010000100₂	1010001000₂
Base 3	212212₃	220000₃
Base 4	22010₄	22020₄
Base 5	10034₅	10043₅
Base 6	2552₆	3000₆
Base 7	1610₇	1614₇
Base 8	1204₈	1210₈
Base 9	785₉	800₉
Base 10	644₁₀	648₁₀
Base 11	536₁₁	53a₁₁
Base 12	458₁₂	460₁₂
Base 13	3a7₁₃	3ab₁₃
Base 14	340₁₄	344₁₄
Base 15	2ce₁₅	2d3₁₅
Base 16	284₁₆	288₁₆