2 × 19 × 31 × 17939

Prime Factor Structure

Factorization String 2 × 19 × 31 × 17939

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 34,444,800

Proper Divisor Sum 13,312,658

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #21132131 ← → #21132191

1 2 19 31 38 62 589 1,178 17,939 35,878 340,841 556,109 681,682 1,112,218 10,566,071 21,132,142

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

21,132,142 10,566,071 31,698,214 15,849,107 47,547,322 23,773,661 71,320,984 35,660,492 17,830,246 8,915,123 26,745,370 13,372,685 40,118,056 20,059,028 10,029,514 5,014,757 15,044,272 7,522,136 3,761,068 1,880,534 940,267 2,820,802 1,410,401 4,231,204 2,115,602 1,057,801 3,173,404 1,586,702 793,351 2,380,054 1,190,027 3,570,082 1,785,041 5,355,124 2,677,562 1,338,781 4,016,344 2,008,172 1,004,086 502,043 1,506,130 753,065 2,259,196 1,129,598 564,799 1,694,398 847,199 2,541,598 1,270,799 3,812,398 1,906,199 5,718,598 2,859,299 8,577,898 4,288,949 12,866,848 6,433,424 3,216,712 1,608,356 804,178

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