13 × 109 × 457

Prime Factor Structure

Factorization String 13 × 109 × 457

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 705,320

Proper Divisor Sum 57,751

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #647557 ← → #647579

1 13 109 457 1,417 5,941 49,813 647,569

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

647,569 1,942,708 971,354 485,677 1,457,032 728,516 364,258 182,129 546,388 273,194 136,597 409,792 204,896 102,448 51,224 25,612 12,806 6,403 19,210 9,605 28,816 14,408 7,204 3,602 1,801 5,404 2,702 1,351 4,054 2,027 6,082 3,041 9,124 4,562 2,281 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686

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