13 × 37 × 821

Prime Factor Structure

Factorization String 13 × 37 × 821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 437,304

Proper Divisor Sum 42,403

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #394897 ← → #394931

1 13 37 481 821 10,673 30,377 394,901

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

394,901 1,184,704 592,352 296,176 148,088 74,044 37,022 18,511 55,534 27,767 83,302 41,651 124,954 62,477 187,432 93,716 46,858 23,429 70,288 35,144 17,572 8,786 4,393 13,180 6,590 3,295 9,886 4,943 14,830 7,415 22,246 11,123 33,370 16,685 50,056 25,028 12,514 6,257 18,772 9,386 4,693 14,080 7,040 3,520 1,760 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71

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