13² × 4973

Prime Factor Structure

Factorization String 13^2 × 4973

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 910,242

Proper Divisor Sum 69,805

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #840353 ← → #840439

1 13 169 4,973 64,649 840,437

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

840,437 2,521,312 1,260,656 630,328 315,164 157,582 78,791 236,374 118,187 354,562 177,281 531,844 265,922 132,961 398,884 199,442 99,721 299,164 149,582 74,791 224,374 112,187 336,562 168,281 504,844 252,422 126,211 378,634 189,317 567,952 283,976 141,988 70,994 35,497 106,492 53,246 26,623 79,870 39,935 119,806 59,903 179,710 89,855 269,566 134,783 404,350 202,175 606,526 303,263 909,790 454,895 1,364,686 682,343 2,047,030 1,023,515 3,070,546 1,535,273 4,605,820 2,302,910 1,151,455

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