Compare 1680 vs 1690

Property	1680	1690
Type	composite number	composite number
Unique factors	4	3
Total factors	7	4
Prime factorization	2⁴ × 3¹ × 5¹ × 7¹	2¹ × 5¹ × 13²
Prime factorization	2 × 2 × 2 × 2 × 3 × 5 × 7	2 × 5 × 13 × 13
Divisors count	40	12
Divisors	1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680	1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690
Number of properties	0	0
Roman numberals	MDCLXXX	MDCXC
Base 2	11010010000₂	11010011010₂
Base 3	2022020₃	2022121₃
Base 4	122100₄	122122₄
Base 5	23210₅	23230₅
Base 6	11440₆	11454₆
Base 7	4620₇	4633₇
Base 8	3220₈	3232₈
Base 9	2266₉	2277₉
Base 10	1680₁₀	1690₁₀
Base 11	1298₁₁	12a7₁₁
Base 12	b80₁₂	b8a₁₂
Base 13	9c3₁₃	a00₁₃
Base 14	880₁₄	88a₁₄
Base 15	770₁₅	77a₁₅
Base 16	690₁₆	69a₁₆