3 × 7 × 17 × 2179

Prime Factor Structure

Factorization String 3 × 7 × 17 × 2179

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,255,680

Proper Divisor Sum 477,777

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #777901 ← → #777911

1 3 7 17 21 51 119 357 2,179 6,537 15,253 37,043 45,759 111,129 259,301 777,903

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

777,903 2,333,710 1,166,855 3,500,566 1,750,283 5,250,850 2,625,425 7,876,276 3,938,138 1,969,069 5,907,208 2,953,604 1,476,802 738,401 2,215,204 1,107,602 553,801 1,661,404 830,702 415,351 1,246,054 623,027 1,869,082 934,541 2,803,624 1,401,812 700,906 350,453 1,051,360 525,680 262,840 131,420 65,710 32,855 98,566 49,283 147,850 73,925 221,776 110,888 55,444 27,722 13,861 41,584 20,792 10,396 5,198 2,599 7,798 3,899 11,698 5,849 17,548 8,774 4,387 13,162 6,581 19,744 9,872 4,936

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