Compare 21281 vs 21290

Property	21281	21290
Type	semiprime	composite number
Unique factors	2	3
Total factors	2	3
Prime factorization	13¹ × 1637¹	2¹ × 5¹ × 2129¹
Prime factorization	13 × 1637	2 × 5 × 2129
Divisors count	4	8
Divisors	1, 13, 1637, 21281	1, 2, 5, 10, 2129, 4258, 10645, 21290
Number of properties	1	0
Semiprimes	5393rd
Roman numberals
Base 2	101001100100001₂	101001100101010₂
Base 3	1002012012₃	1002012112₃
Base 4	11030201₄	11030222₄
Base 5	1140111₅	1140130₅
Base 6	242305₆	242322₆
Base 7	116021₇	116033₇
Base 8	51441₈	51452₈
Base 9	32165₉	32175₉
Base 10	21281₁₀	21290₁₀
Base 11	14a97₁₁	14aa5₁₁
Base 12	10395₁₂	103a2₁₂
Base 13	98c0₁₃	98c9₁₃
Base 14	7a81₁₄	7a8a₁₄
Base 15	648b₁₅	6495₁₅
Base 16	5321₁₆	532a₁₆