Compare 21281 vs 21284

Property	21281	21284
Type	semiprime	composite number
Unique factors	2	3
Total factors	2	4
Prime factorization	13¹ × 1637¹	2² × 17¹ × 313¹
Prime factorization	13 × 1637	2 × 2 × 17 × 313
Divisors count	4	12
Divisors	1, 13, 1637, 21281	1, 2, 4, 17, 34, 68, 313, 626, 1252, 5321, 10642, 21284
Number of properties	1	0
Semiprimes	5393rd
Roman numberals
Base 2	101001100100001₂	101001100100100₂
Base 3	1002012012₃	1002012022₃
Base 4	11030201₄	11030210₄
Base 5	1140111₅	1140114₅
Base 6	242305₆	242312₆
Base 7	116021₇	116024₇
Base 8	51441₈	51444₈
Base 9	32165₉	32168₉
Base 10	21281₁₀	21284₁₀
Base 11	14a97₁₁	14a9a₁₁
Base 12	10395₁₂	10398₁₂
Base 13	98c0₁₃	98c3₁₃
Base 14	7a81₁₄	7a84₁₄
Base 15	648b₁₅	648e₁₅
Base 16	5321₁₆	5324₁₆