Compare 201981 vs 201990

Property	201981	201990
Type	composite number	composite number
Unique factors	3	4
Total factors	3	4
Prime factorization	3¹ × 13¹ × 5179¹	2¹ × 3¹ × 5¹ × 6733¹
Prime factorization	3 × 13 × 5179	2 × 3 × 5 × 6733
Divisors count	8	16
Divisors	1, 3, 13, 39, 5179, 15537, 67327, 201981	1, 2, 3, 5, 6, 10, 15, 30, 6733, 13466, 20199, 33665, 40398, 67330, 100995, 201990
Number of properties	0	0
Roman numberals
Base 2	110001010011111101₂	110001010100000110₂
Base 3	101021001210₃	101021002010₃
Base 4	301103331₄	301110012₄
Base 5	22430411₅	22430430₅
Base 6	4155033₆	4155050₆
Base 7	1500603₇	1500615₇
Base 8	612375₈	612406₈
Base 9	337053₉	337063₉
Base 10	201981₁₀	201990₁₀
Base 11	12882a₁₁	128838₁₁
Base 12	98a79₁₂	98a86₁₂
Base 13	70c20₁₃	70c29₁₃
Base 14	53873₁₄	5387c₁₄
Base 15	3eca6₁₅	3ecb0₁₅
Base 16	314fd₁₆	31506₁₆