31 × 19889

Prime Factor Structure

Factorization String 31 × 19889

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 636,480

Proper Divisor Sum 19,921

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #616547 ← → #616579

1 31 19,889 616,559

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

616,559 1,849,678 924,839 2,774,518 1,387,259 4,161,778 2,080,889 6,242,668 3,121,334 1,560,667 4,682,002 2,341,001 7,023,004 3,511,502 1,755,751 5,267,254 2,633,627 7,900,882 3,950,441 11,851,324 5,925,662 2,962,831 8,888,494 4,444,247 13,332,742 6,666,371 19,999,114 9,999,557 29,998,672 14,999,336 7,499,668 3,749,834 1,874,917 5,624,752 2,812,376 1,406,188 703,094 351,547 1,054,642 527,321 1,581,964 790,982 395,491 1,186,474 593,237 1,779,712 889,856 444,928 222,464 111,232 55,616 27,808 13,904 6,952 3,476 1,738 869 2,608 1,304 652

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