7² × 13 × 1013

Prime Factor Structure

Factorization String 7^2 × 13 × 1013

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 809,172

Proper Divisor Sum 163,891

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #645257 ← → #645313

1 7 13 49 91 637 1,013 7,091 13,169 49,637 92,183 645,281

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

645,281 1,935,844 967,922 483,961 1,451,884 725,942 362,971 1,088,914 544,457 1,633,372 816,686 408,343 1,225,030 612,515 1,837,546 918,773 2,756,320 1,378,160 689,080 344,540 172,270 86,135 258,406 129,203 387,610 193,805 581,416 290,708 145,354 72,677 218,032 109,016 54,508 27,254 13,627 40,882 20,441 61,324 30,662 15,331 45,994 22,997 68,992 34,496 17,248 8,624 4,312 2,156 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.