2 × 19 × 43 × 397

Prime Factor Structure

Factorization String 2 × 19 × 43 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,050,720

Proper Divisor Sum 402,022

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #648689 ← → #648709

1 2 19 38 43 86 397 794 817 1,634 7,543 15,086 17,071 34,142 324,349 648,698

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

648,698 324,349 973,048 486,524 243,262 121,631 364,894 182,447 547,342 273,671 821,014 410,507 1,231,522 615,761 1,847,284 923,642 461,821 1,385,464 692,732 346,366 173,183 519,550 259,775 779,326 389,663 1,168,990 584,495 1,753,486 876,743 2,630,230 1,315,115 3,945,346 1,972,673 5,918,020 2,959,010 1,479,505 4,438,516 2,219,258 1,109,629 3,328,888 1,664,444 832,222 416,111 1,248,334 624,167 1,872,502 936,251 2,808,754 1,404,377 4,213,132 2,106,566 1,053,283 3,159,850 1,579,925 4,739,776 2,369,888 1,184,944 592,472 296,236 148,118

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