Compare 81989 vs 81990

Property	81989	81990
Type	semiprime	composite number
Unique factors	2	4
Total factors	2	5
Prime factorization	163¹ × 503¹	2¹ × 3² × 5¹ × 911¹
Prime factorization	163 × 503	2 × 3 × 3 × 5 × 911
Divisors count	4	24
Divisors	1, 163, 503, 81989	1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 911, 1822, 2733, 4555, 5466, 8199, 9110, 13665, 16398, 27330, 40995, 81990
Number of properties	1	0
Semiprimes	19348th
Roman numberals
Base 2	10100000001000101₂	10100000001000110₂
Base 3	11011110122₃	11011110200₃
Base 4	110001011₄	110001012₄
Base 5	10110424₅	10110430₅
Base 6	1431325₆	1431330₆
Base 7	461015₇	461016₇
Base 8	240105₈	240106₈
Base 9	134418₉	134420₉
Base 10	81989₁₀	81990₁₀
Base 11	56666₁₁	56667₁₁
Base 12	3b545₁₂	3b546₁₂
Base 13	2b41b₁₃	2b41c₁₃
Base 14	21c45₁₄	21c46₁₄
Base 15	1945e₁₅	19460₁₅
Base 16	14045₁₆	14046₁₆