1. Numbers
  2. Compare 9987 vs 9991

Compare 9987 vs 9991

Property99879991
Typesemiprimesemiprime
Unique factors22
Total factors22
Prime factorization31 × 33291971 × 1031
Prime factorization3 × 332997 × 103
Divisors count44
Divisors1, 3, 3329, 99871, 97, 103, 9991
Number of properties11
Semiprimes2619th2621st
Roman numberals  
Base 2100111000000112100111000001112
Base 311120022031112010013
Base 42130003421300134
Base 530442253044315
Base 611412361141316
Base 7410557410627
Base 8234038234078
Base 9146269146319
Base 10998710999110
Base 11755a11756311
Base 12594312594712
Base 13471313471713
Base 1438d51438d914
Base 152e5c152e6115
Base 16270316270716
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