3 × 5 × 13 × 1109

Prime Factor Structure

Factorization String 3 × 5 × 13 × 1109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 372,960

Proper Divisor Sum 156,705

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #216233 ← → #216259

1 3 5 13 15 39 65 195 1,109 3,327 5,545 14,417 16,635 43,251 72,085 216,255

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

216,255 648,766 324,383 973,150 486,575 1,459,726 729,863 2,189,590 1,094,795 3,284,386 1,642,193 4,926,580 2,463,290 1,231,645 3,694,936 1,847,468 923,734 461,867 1,385,602 692,801 2,078,404 1,039,202 519,601 1,558,804 779,402 389,701 1,169,104 584,552 292,276 146,138 73,069 219,208 109,604 54,802 27,401 82,204 41,102 20,551 61,654 30,827 92,482 46,241 138,724 69,362 34,681 104,044 52,022 26,011 78,034 39,017 117,052 58,526 29,263 87,790 43,895 131,686 65,843 197,530 98,765 296,296

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