Compare 81809 vs 81820

Property	81809	81820
Type	composite number	composite number
Unique factors	4	3
Total factors	4	4
Prime factorization	7¹ × 13¹ × 29¹ × 31¹	2² × 5¹ × 4091¹
Prime factorization	7 × 13 × 29 × 31	2 × 2 × 5 × 4091
Divisors count	16	12
Divisors	1, 7, 13, 29, 31, 91, 203, 217, 377, 403, 899, 2639, 2821, 6293, 11687, 81809	1, 2, 4, 5, 10, 20, 4091, 8182, 16364, 20455, 40910, 81820
Number of properties	0	0
Roman numberals
Base 2	10011111110010001₂	10011111110011100₂
Base 3	11011012222₃	11011020101₃
Base 4	103332101₄	103332130₄
Base 5	10104214₅	10104240₅
Base 6	1430425₆	1430444₆
Base 7	460340₇	460354₇
Base 8	237621₈	237634₈
Base 9	134188₉	134211₉
Base 10	81809₁₀	81820₁₀
Base 11	56512₁₁	56522₁₁
Base 12	3b415₁₂	3b424₁₂
Base 13	2b310₁₃	2b31b₁₃
Base 14	21b57₁₄	21b64₁₄
Base 15	1938e₁₅	1939a₁₅
Base 16	13f91₁₆	13f9c₁₆