2 × 13 × 19553

Prime Factor Structure

Factorization String 2 × 13 × 19553

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 821,268

Proper Divisor Sum 312,890

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #508373 ← → #508393

1 2 13 26 19,553 39,106 254,189 508,378

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

508,378 254,189 762,568 381,284 190,642 95,321 285,964 142,982 71,491 214,474 107,237 321,712 160,856 80,428 40,214 20,107 60,322 30,161 90,484 45,242 22,621 67,864 33,932 16,966 8,483 25,450 12,725 38,176 19,088 9,544 4,772 2,386 1,193 3,580 1,790 895 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230

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