7² × 11 × 31²

Prime Factor Structure

Factorization String 7^2 × 11 × 31^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 679,212

Proper Divisor Sum 161,233

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #517967 ← → #517981

1 7 11 31 49 77 217 341 539 961 1,519 2,387 6,727 10,571 16,709 47,089 73,997 517,979

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

517,979 1,553,938 776,969 2,330,908 1,165,454 582,727 1,748,182 874,091 2,622,274 1,311,137 3,933,412 1,966,706 983,353 2,950,060 1,475,030 737,515 2,212,546 1,106,273 3,318,820 1,659,410 829,705 2,489,116 1,244,558 622,279 1,866,838 933,419 2,800,258 1,400,129 4,200,388 2,100,194 1,050,097 3,150,292 1,575,146 787,573 2,362,720 1,181,360 590,680 295,340 147,670 73,835 221,506 110,753 332,260 166,130 83,065 249,196 124,598 62,299 186,898 93,449 280,348 140,174 70,087 210,262 105,131 315,394 157,697 473,092 236,546 118,273

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