13² × 3631

Prime Factor Structure

Factorization String 13^2 × 3631

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 664,656

Proper Divisor Sum 51,017

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #613637 ← → #613651

1 13 169 3,631 47,203 613,639

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

613,639 1,840,918 920,459 2,761,378 1,380,689 4,142,068 2,071,034 1,035,517 3,106,552 1,553,276 776,638 388,319 1,164,958 582,479 1,747,438 873,719 2,621,158 1,310,579 3,931,738 1,965,869 5,897,608 2,948,804 1,474,402 737,201 2,211,604 1,105,802 552,901 1,658,704 829,352 414,676 207,338 103,669 311,008 155,504 77,752 38,876 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893

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