3 × 5 × 7 × 691

Prime Factor Structure

Factorization String 3 × 5 × 7 × 691

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 132,864

Proper Divisor Sum 60,309

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #72551 ← → #72559

1 3 5 7 15 21 35 105 691 2,073 3,455 4,837 10,365 14,511 24,185 72,555

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

72,555 217,666 108,833 326,500 163,250 81,625 244,876 122,438 61,219 183,658 91,829 275,488 137,744 68,872 34,436 17,218 8,609 25,828 12,914 6,457 19,372 9,686 4,843 14,530 7,265 21,796 10,898 5,449 16,348 8,174 4,087 12,262 6,131 18,394 9,197 27,592 13,796 6,898 3,449 10,348 5,174 2,587 7,762 3,881 11,644 5,822 2,911 8,734 4,367 13,102 6,551 19,654 9,827 29,482 14,741 44,224 22,112 11,056 5,528 2,764

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