13 × 21821

Prime Factor Structure

Factorization String 13 × 21821

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 305,508

Proper Divisor Sum 21,835

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #283669 ← → #283687

1 13 21,821 283,673

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

283,673 851,020 425,510 212,755 638,266 319,133 957,400 478,700 239,350 119,675 359,026 179,513 538,540 269,270 134,635 403,906 201,953 605,860 302,930 151,465 454,396 227,198 113,599 340,798 170,399 511,198 255,599 766,798 383,399 1,150,198 575,099 1,725,298 862,649 2,587,948 1,293,974 646,987 1,940,962 970,481 2,911,444 1,455,722 727,861 2,183,584 1,091,792 545,896 272,948 136,474 68,237 204,712 102,356 51,178 25,589 76,768 38,384 19,192 9,596 4,798 2,399 7,198 3,599 10,798

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