13 × 17² × 4663

Prime Factor Structure

Factorization String 13 × 17^2 × 4663

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 20,045,872

Proper Divisor Sum 2,526,981

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #17518889 ← → #17518901

1 13 17 221 289 3,757 4,663 60,619 79,271 1,030,523 1,347,607 17,518,891

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

17,518,891 52,556,674 26,278,337 78,835,012 39,417,506 19,708,753 59,126,260 29,563,130 14,781,565 44,344,696 22,172,348 11,086,174 5,543,087 16,629,262 8,314,631 24,943,894 12,471,947 37,415,842 18,707,921 56,123,764 28,061,882 14,030,941 42,092,824 21,046,412 10,523,206 5,261,603 15,784,810 7,892,405 23,677,216 11,838,608 5,919,304 2,959,652 1,479,826 739,913 2,219,740 1,109,870 554,935 1,664,806 832,403 2,497,210 1,248,605 3,745,816 1,872,908 936,454 468,227 1,404,682 702,341 2,107,024 1,053,512 526,756 263,378 131,689 395,068 197,534 98,767 296,302 148,151 444,454 222,227 666,682

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