13 × 52639

Prime Factor Structure

Factorization String 13 × 52639

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 736,960

Proper Divisor Sum 52,653

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #684293 ← → #684311

1 13 52,639 684,307

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

684,307 2,052,922 1,026,461 3,079,384 1,539,692 769,846 384,923 1,154,770 577,385 1,732,156 866,078 433,039 1,299,118 649,559 1,948,678 974,339 2,923,018 1,461,509 4,384,528 2,192,264 1,096,132 548,066 274,033 822,100 411,050 205,525 616,576 308,288 154,144 77,072 38,536 19,268 9,634 4,817 14,452 7,226 3,613 10,840 5,420 2,710 1,355 4,066 2,033 6,100 3,050 1,525 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728

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