31 × 1279

Prime Factor Structure

Factorization String 31 × 1279

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 40,960

Proper Divisor Sum 1,311

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #39631 ← → #39659

1 31 1,279 39,649

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

39,649 118,948 59,474 29,737 89,212 44,606 22,303 66,910 33,455 100,366 50,183 150,550 75,275 225,826 112,913 338,740 169,370 84,685 254,056 127,028 63,514 31,757 95,272 47,636 23,818 11,909 35,728 17,864 8,932 4,466 2,233 6,700 3,350 1,675 5,026 2,513 7,540 3,770 1,885 5,656 2,828 1,414 707 2,122 1,061 3,184 1,592 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253

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