1. Numbers
  2. Compare 9989 vs 9991

Compare 9989 vs 9991

Property99899991
Typesemiprimesemiprime
Unique factors22
Total factors22
Prime factorization71 × 14271971 × 1031
Prime factorization7 × 142797 × 103
Divisors count44
Divisors1, 7, 1427, 99891, 97, 103, 9991
Number of properties11
Semiprimes2620th2621st
Roman numberals  
Base 2100111000001012100111000001112
Base 311120022231112010013
Base 42130011421300134
Base 530442453044315
Base 611412561141316
Base 7410607410627
Base 8234058234078
Base 9146289146319
Base 10998910999110
Base 11756111756311
Base 12594512594712
Base 13471513471713
Base 1438d71438d914
Base 152e5e152e6115
Base 16270516270716
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