13 × 21499

Prime Factor Structure

Factorization String 13 × 21499

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 301,000

Proper Divisor Sum 21,513

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #279481 ← → #279511

1 13 21,499 279,487

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

279,487 838,462 419,231 1,257,694 628,847 1,886,542 943,271 2,829,814 1,414,907 4,244,722 2,122,361 6,367,084 3,183,542 1,591,771 4,775,314 2,387,657 7,162,972 3,581,486 1,790,743 5,372,230 2,686,115 8,058,346 4,029,173 12,087,520 6,043,760 3,021,880 1,510,940 755,470 377,735 1,133,206 566,603 1,699,810 849,905 2,549,716 1,274,858 637,429 1,912,288 956,144 478,072 239,036 119,518 59,759 179,278 89,639 268,918 134,459 403,378 201,689 605,068 302,534 151,267 453,802 226,901 680,704 340,352 170,176 85,088 42,544 21,272 10,636

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