Compare 12991 vs 12991

Property1299112991
Typesemiprimesemiprime
Unique factors22
Total factors22
Prime factorization111 × 11811111 × 11811
Prime factorization11 × 118111 × 1181
Divisors count44
Divisors1, 11, 1181, 129911, 11, 1181, 12991
Number of properties11
Semiprimes3369th3369th
Roman numberals  
Base 2110010101111112110010101111112
Base 312221101131222110113
Base 43022333430223334
Base 540343154034315
Base 614005161400516
Base 7526067526067
Base 8312778312778
Base 9187349187349
Base 1012991101299110
Base 11984011984011
Base 12762712762712
Base 135bb4135bb413
Base 144a3d144a3d14
Base 153cb1153cb115
Base 1632bf1632bf16
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