13 × 59 × 839

Prime Factor Structure

Factorization String 13 × 59 × 839

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 705,600

Proper Divisor Sum 62,087

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #643507 ← → #643523

1 13 59 767 839 10,907 49,501 643,513

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

643,513 1,930,540 965,270 482,635 1,447,906 723,953 2,171,860 1,085,930 542,965 1,628,896 814,448 407,224 203,612 101,806 50,903 152,710 76,355 229,066 114,533 343,600 171,800 85,900 42,950 21,475 64,426 32,213 96,640 48,320 24,160 12,080 6,040 3,020 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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