Compare 981 vs 990

Property	981	990
Type	composite number	composite number
Unique factors	2	4
Total factors	3	5
Prime factorization	3² × 109¹	2¹ × 3² × 5¹ × 11¹
Prime factorization	3 × 3 × 109	2 × 3 × 3 × 5 × 11
Divisors count	6	24
Divisors	1, 3, 9, 109, 327, 981	1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
Number of properties	0	0
Roman numberals	CMLXXXI	CMXC
Base 2	1111010101₂	1111011110₂
Base 3	1100100₃	1100200₃
Base 4	33111₄	33132₄
Base 5	12411₅	12430₅
Base 6	4313₆	4330₆
Base 7	2601₇	2613₇
Base 8	1725₈	1736₈
Base 9	1310₉	1320₉
Base 10	981₁₀	990₁₀
Base 11	812₁₁	820₁₁
Base 12	699₁₂	6a6₁₂
Base 13	5a6₁₃	5b2₁₃
Base 14	501₁₄	50a₁₄
Base 15	456₁₅	460₁₅
Base 16	3d5₁₆	3de₁₆