2⁵ × 7 × 13² × 17

Prime Factor Structure

Factorization String 2^5 × 7 × 13^2 × 17

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 1,660,176

Proper Divisor Sum 1,016,624

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #643547 ← → #643553

1 2 4 7 8 13 14 16 17 26 28 32 34 52 56 68 91 104 112 119 136 169 182 208 221 224 238 272 338 364 416 442 476 544 676 728 884 952 1,183 1,352 1,456 1,547 1,768 1,904 2,366 2,704 2,873 2,912 3,094 3,536 3,808 4,732 5,408 5,746 6,188 7,072 9,464 11,492 12,376 18,928

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

643,552 321,776 160,888 80,444 40,222 20,111 60,334 30,167 90,502 45,251 135,754 67,877 203,632 101,816 50,908 25,454 12,727 38,182 19,091 57,274 28,637 85,912 42,956 21,478 10,739 32,218 16,109 48,328 24,164 12,082 6,041 18,124 9,062 4,531 13,594 6,797 20,392 10,196 5,098 2,549 7,648 3,824 1,912 956 478 239 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102

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