13 × 17 × 29 × 61

Prime Factor Structure

Factorization String 13 × 17 × 29 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 468,720

Proper Divisor Sum 77,771

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #390893 ← → #390953

1 13 17 29 61 221 377 493 793 1,037 1,769 6,409 13,481 22,997 30,073 390,949

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

390,949 1,172,848 586,424 293,212 146,606 73,303 219,910 109,955 329,866 164,933 494,800 247,400 123,700 61,850 30,925 92,776 46,388 23,194 11,597 34,792 17,396 8,698 4,349 13,048 6,524 3,262 1,631 4,894 2,447 7,342 3,671 11,014 5,507 16,522 8,261 24,784 12,392 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82 41 124 62 31 94 47 142 71

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.