Compare 399980 vs 399987

Property	399980	399987
Type	composite number	composite number
Unique factors	4	3
Total factors	5	5
Prime factorization	2² × 5¹ × 7¹ × 2857¹	3² × 7² × 907¹
Prime factorization	2 × 2 × 5 × 7 × 2857	3 × 3 × 7 × 7 × 907
Divisors count	24	18
Divisors	1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2857, 5714, 11428, 14285, 19999, 28570, 39998, 57140, 79996, 99995, 199990, 399980	1, 3, 7, 9, 21, 49, 63, 147, 441, 907, 2721, 6349, 8163, 19047, 44443, 57141, 133329, 399987
Number of properties	0	0
Roman numberals
Base 2	1100001101001101100₂	1100001101001110011₂
Base 3	202022200002₃	202022200100₃
Base 4	1201221230₄	1201221303₄
Base 5	100244410₅	100244422₅
Base 6	12323432₆	12323443₆
Base 7	3254060₇	3254100₇
Base 8	1415154₈	1415163₈
Base 9	668602₉	668610₉
Base 10	399980₁₀	399987₁₀
Base 11	253569₁₁	253575₁₁
Base 12	173578₁₂	173583₁₂
Base 13	110099₁₃	1100a3₁₃
Base 14	a5aa0₁₄	a5aa7₁₄
Base 15	7d7a5₁₅	7d7ac₁₅
Base 16	61a6c₁₆	61a73₁₆