13 × 216919

Prime Factor Structure

Factorization String 13 × 216919

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,036,880

Proper Divisor Sum 216,933

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #2819933 ← → #2819951

1 13 216,919 2,819,947

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

2,819,947 8,459,842 4,229,921 12,689,764 6,344,882 3,172,441 9,517,324 4,758,662 2,379,331 7,137,994 3,568,997 10,706,992 5,353,496 2,676,748 1,338,374 669,187 2,007,562 1,003,781 3,011,344 1,505,672 752,836 376,418 188,209 564,628 282,314 141,157 423,472 211,736 105,868 52,934 26,467 79,402 39,701 119,104 59,552 29,776 14,888 7,444 3,722 1,861 5,584 2,792 1,396 698 349 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14

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