3² × 5 × 8689

Prime Factor Structure

Factorization String 3^2 × 5 × 8689

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 677,820

Proper Divisor Sum 286,815

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #390991 ← → #391009

1 3 5 9 15 45 8,689 26,067 43,445 78,201 130,335 391,005

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

391,005 1,173,016 586,508 293,254 146,627 439,882 219,941 659,824 329,912 164,956 82,478 41,239 123,718 61,859 185,578 92,789 278,368 139,184 69,592 34,796 17,398 8,699 26,098 13,049 39,148 19,574 9,787 29,362 14,681 44,044 22,022 11,011 33,034 16,517 49,552 24,776 12,388 6,194 3,097 9,292 4,646 2,323 6,970 3,485 10,456 5,228 2,614 1,307 3,922 1,961 5,884 2,942 1,471 4,414 2,207 6,622 3,311 9,934 4,967 14,902

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