3⁴ × 7 × 71

Prime Factor Structure

Factorization String 3^4 × 7 × 71

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 69,696

Proper Divisor Sum 29,439

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #40253 ← → #40277

1 3 7 9 21 27 63 71 81 189 213 497 567 639 1,491 1,917 4,473 5,751 13,419 40,257

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

40,257 120,772 60,386 30,193 90,580 45,290 22,645 67,936 33,968 16,984 8,492 4,246 2,123 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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