2 × 5 × 13 × 17 × 311

Prime Factor Structure

Factorization String 2 × 5 × 13 × 17 × 311

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,415,232

Proper Divisor Sum 727,922

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #687307 ← → #687311

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

687,310 343,655 1,030,966 515,483 1,546,450 773,225 2,319,676 1,159,838 579,919 1,739,758 869,879 2,609,638 1,304,819 3,914,458 1,957,229 5,871,688 2,935,844 1,467,922 733,961 2,201,884 1,100,942 550,471 1,651,414 825,707 2,477,122 1,238,561 3,715,684 1,857,842 928,921 2,786,764 1,393,382 696,691 2,090,074 1,045,037 3,135,112 1,567,556 783,778 391,889 1,175,668 587,834 293,917 881,752 440,876 220,438 110,219 330,658 165,329 495,988 247,994 123,997 371,992 185,996 92,998 46,499 139,498 69,749 209,248 104,624 52,312 26,156

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