31 × 439

Prime Factor Structure

Factorization String 31 × 439

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 14,080

Proper Divisor Sum 471

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #13597 ← → #13613

1 31 439 13,609

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

13,609 40,828 20,414 10,207 30,622 15,311 45,934 22,967 68,902 34,451 103,354 51,677 155,032 77,516 38,758 19,379 58,138 29,069 87,208 43,604 21,802 10,901 32,704 16,352 8,176 4,088 2,044 1,022 511 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841 29,524 14,762 7,381 22,144 11,072 5,536 2,768 1,384 692 346 173 520

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