Compare 21039 vs 21040

Property2103921040
Typesemiprimecomposite number
Unique factors23
Total factors26
Prime factorization31 × 7013124 × 51 × 2631
Prime factorization3 × 70132 × 2 × 2 × 2 × 5 × 263
Divisors count420
Divisors1, 3, 7013, 210391, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 10520, 21040
Number of properties10
Semiprimes5335th 
Roman numberals  
Base 210100100010111121010010001100002
Base 31001212020310012120213
Base 4110202334110203004
Base 51133124511331305
Base 624122362412246
Base 711522471152257
Base 8510578510608
Base 9317669317679
Base 1021039102104010
Base 1114897111489811
Base 1210213121021412
Base 13976513976613
Base 14794b14794c14
Base 15637915637a15
Base 16522f16523016
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