Compare 6640 vs 6649

Property	6640	6649
Type	composite number	semiprime
Unique factors	3	2
Total factors	6	2
Prime factorization	2⁴ × 5¹ × 83¹	61¹ × 109¹
Prime factorization	2 × 2 × 2 × 2 × 5 × 83	61 × 109
Divisors count	20	4
Divisors	1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640	1, 61, 109, 6649
Number of properties	0	1
Semiprimes		1789th
Roman numberals
Base 2	1100111110000₂	1100111111001₂
Base 3	100002221₃	100010021₃
Base 4	1213300₄	1213321₄
Base 5	203030₅	203044₅
Base 6	50424₆	50441₆
Base 7	25234₇	25246₇
Base 8	14760₈	14771₈
Base 9	10087₉	10107₉
Base 10	6640₁₀	6649₁₀
Base 11	4a97₁₁	4aa5₁₁
Base 12	3a14₁₂	3a21₁₂
Base 13	303a₁₃	3046₁₃
Base 14	25c4₁₄	25cd₁₄
Base 15	1e7a₁₅	1e84₁₅
Base 16	19f0₁₆	19f9₁₆