13 × 40129

Prime Factor Structure

Factorization String 13 × 40129

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 561,820

Proper Divisor Sum 40,143

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #521671 ← → #521693

1 13 40,129 521,677

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

521,677 1,565,032 782,516 391,258 195,629 586,888 293,444 146,722 73,361 220,084 110,042 55,021 165,064 82,532 41,266 20,633 61,900 30,950 15,475 46,426 23,213 69,640 34,820 17,410 8,705 26,116 13,058 6,529 19,588 9,794 4,897 14,692 7,346 3,673 11,020 5,510 2,755 8,266 4,133 12,400 6,200 3,100 1,550 775 2,326 1,163 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474 737 2,212 1,106 553

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