2² × 13 × 7529

Prime Factor Structure

Factorization String 2^2 × 13 × 7529

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 737,940

Proper Divisor Sum 346,432

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #391487 ← → #391519

1 2 4 13 26 52 7,529 15,058 30,116 97,877 195,754 391,508

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

391,508 195,754 97,877 293,632 146,816 73,408 36,704 18,352 9,176 4,588 2,294 1,147 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180 1,090 545 1,636 818 409 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13

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