Compare 1680 vs 1691

Property	1680	1691
Type	composite number	semiprime
Unique factors	4	2
Total factors	7	2
Prime factorization	2⁴ × 3¹ × 5¹ × 7¹	19¹ × 89¹
Prime factorization	2 × 2 × 2 × 2 × 3 × 5 × 7	19 × 89
Divisors count	40	4
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, 19, 89, 1691
Number of properties	0	1
Semiprimes		488th
Roman numberals	MDCLXXX	MDCXCI
Base 2	11010010000₂	11010011011₂
Base 3	2022020₃	2022122₃
Base 4	122100₄	122123₄
Base 5	23210₅	23231₅
Base 6	11440₆	11455₆
Base 7	4620₇	4634₇
Base 8	3220₈	3233₈
Base 9	2266₉	2278₉
Base 10	1680₁₀	1691₁₀
Base 11	1298₁₁	12a8₁₁
Base 12	b80₁₂	b8b₁₂
Base 13	9c3₁₃	a01₁₃
Base 14	880₁₄	88b₁₄
Base 15	770₁₅	77b₁₅
Base 16	690₁₆	69b₁₆