2² × 7 × 11 × 1289

Prime Factor Structure

Factorization String 2^2 × 7 × 11 × 1289

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 866,880

Proper Divisor Sum 469,868

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #396997 ← → #397013

1 2 4 7 11 14 22 28 44 77 154 308 1,289 2,578 5,156 9,023 14,179 18,046 28,358 36,092 56,716 99,253 198,506 397,012

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

397,012 198,506 99,253 297,760 148,880 74,440 37,220 18,610 9,305 27,916 13,958 6,979 20,938 10,469 31,408 15,704 7,852 3,926 1,963 5,890 2,945 8,836 4,418 2,209 6,628 3,314 1,657 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422

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