Compare 19981 vs 19990

Property	19981	19990
Type	composite number	composite number
Unique factors	3	3
Total factors	3	3
Prime factorization	13¹ × 29¹ × 53¹	2¹ × 5¹ × 1999¹
Prime factorization	13 × 29 × 53	2 × 5 × 1999
Divisors count	8	8
Divisors	1, 13, 29, 53, 377, 689, 1537, 19981	1, 2, 5, 10, 1999, 3998, 9995, 19990
Number of properties	0	0
Roman numberals
Base 2	100111000001101₂	100111000010110₂
Base 3	1000102001₃	1000102101₃
Base 4	10320031₄	10320112₄
Base 5	1114411₅	1114430₅
Base 6	232301₆	232314₆
Base 7	112153₇	112165₇
Base 8	47015₈	47026₈
Base 9	30361₉	30371₉
Base 10	19981₁₀	19990₁₀
Base 11	14015₁₁	14023₁₁
Base 12	b691₁₂	b69a₁₂
Base 13	9130₁₃	9139₁₃
Base 14	73d3₁₄	73dc₁₄
Base 15	5dc1₁₅	5dca₁₅
Base 16	4e0d₁₆	4e16₁₆