Compare 181818 vs 181820

Property	181818	181820
Type	composite number	composite number
Unique factors	5	3
Total factors	7	4
Prime factorization	2¹ × 3³ × 7¹ × 13¹ × 37¹	2² × 5¹ × 9091¹
Prime factorization	2 × 3 × 3 × 3 × 7 × 13 × 37	2 × 2 × 5 × 9091
Divisors count	64	12
Divisors	1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 91, 111, 117, 126, 182, 189, 222, 234, 259, 273, 333, 351, 378, 481, 518, 546, 666, 702, 777, 819, 962, 999, 1443, 1554, 1638, 1998, 2331, 2457, 2886, 3367, 4329, 4662, 4914, 6734, 6993, 8658, 10101, 12987, 13986, 20202, 25974, 30303, 60606, 90909, 181818	1, 2, 4, 5, 10, 20, 9091, 18182, 36364, 45455, 90910, 181820
Number of properties	0	0
Roman numberals
Base 2	101100011000111010₂	101100011000111100₂
Base 3	100020102000₃	100020102002₃
Base 4	230120322₄	230120330₄
Base 5	21304233₅	21304240₅
Base 6	3521430₆	3521432₆
Base 7	1355040₇	1355042₇
Base 8	543072₈	543074₈
Base 9	306360₉	306362₉
Base 10	181818₁₀	181820₁₀
Base 11	11466a₁₁	114671₁₁
Base 12	89276₁₂	89278₁₂
Base 13	649b0₁₃	649b2₁₃
Base 14	4a390₁₄	4a392₁₄
Base 15	38d13₁₅	38d15₁₅
Base 16	2c63a₁₆	2c63c₁₆