2² × 5 × 7² × 13

Prime Factor Structure

Factorization String 2^2 × 5 × 7^2 × 13

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 33,516

Proper Divisor Sum 20,776

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #12739 ← → #12743

1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 182 196 245 260 364 455 490 637 910 980 1,274 1,820 2,548 3,185 6,370 12,740

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

12,740 6,370 3,185 9,556 4,778 2,389 7,168 3,584 1,792 896 448 224 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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