13 × 31 × 79 × 101

Prime Factor Structure

Factorization String 13 × 31 × 79 × 101

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,655,680

Proper Divisor Sum 440,143

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #3215479 ← → #3215539

1 13 31 79 101 403 1,027 1,313 2,449 3,131 7,979 31,837 40,703 103,727 247,349 3,215,537

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

3,215,537 9,646,612 4,823,306 2,411,653 7,234,960 3,617,480 1,808,740 904,370 452,185 1,356,556 678,278 339,139 1,017,418 508,709 1,526,128 763,064 381,532 190,766 95,383 286,150 143,075 429,226 214,613 643,840 321,920 160,960 80,480 40,240 20,120 10,060 5,030 2,515 7,546 3,773 11,320 5,660 2,830 1,415 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

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