2 × 3² × 13 × 389

Prime Factor Structure

Factorization String 2 × 3^2 × 13 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 212,940

Proper Divisor Sum 121,914

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #91019 ← → #91033

1 2 3 6 9 13 18 26 39 78 117 234 389 778 1,167 2,334 3,501 5,057 7,002 10,114 15,171 30,342 45,513 91,026

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

91,026 45,513 136,540 68,270 34,135 102,406 51,203 153,610 76,805 230,416 115,208 57,604 28,802 14,401 43,204 21,602 10,801 32,404 16,202 8,101 24,304 12,152 6,076 3,038 1,519 4,558 2,279 6,838 3,419 10,258 5,129 15,388 7,694 3,847 11,542 5,771 17,314 8,657 25,972 12,986 6,493 19,480 9,740 4,870 2,435 7,306 3,653 10,960 5,480 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580

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