2 × 5 × 13 × 159169

Prime Factor Structure

Factorization String 2 × 5 × 13 × 159169

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 40,110,840

Proper Divisor Sum 19,418,870

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #20691967 ← → #20691977

1 2 5 10 13 26 65 130 159,169 318,338 795,845 1,591,690 2,069,197 4,138,394 10,345,985 20,691,970

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

20,691,970 10,345,985 31,037,956 15,518,978 7,759,489 23,278,468 11,639,234 5,819,617 17,458,852 8,729,426 4,364,713 13,094,140 6,547,070 3,273,535 9,820,606 4,910,303 14,730,910 7,365,455 22,096,366 11,048,183 33,144,550 16,572,275 49,716,826 24,858,413 74,575,240 37,287,620 18,643,810 9,321,905 27,965,716 13,982,858 6,991,429 20,974,288 10,487,144 5,243,572 2,621,786 1,310,893 3,932,680 1,966,340 983,170 491,585 1,474,756 737,378 368,689 1,106,068 553,034 276,517 829,552 414,776 207,388 103,694 51,847 155,542 77,771 233,314 116,657 349,972 174,986 87,493 262,480 131,240

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