13² × 1307

Prime Factor Structure

Factorization String 13^2 × 1307

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 239,364

Proper Divisor Sum 18,481

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #220879 ← → #220889

1 13 169 1,307 16,991 220,883

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

220,883 662,650 331,325 993,976 496,988 248,494 124,247 372,742 186,371 559,114 279,557 838,672 419,336 209,668 104,834 52,417 157,252 78,626 39,313 117,940 58,970 29,485 88,456 44,228 22,114 11,057 33,172 16,586 8,293 24,880 12,440 6,220 3,110 1,555 4,666 2,333 7,000 3,500 1,750 875 2,626 1,313 3,940 1,970 985 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52 26 13 40

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