31 × 42139

Prime Factor Structure

Factorization String 31 × 42139

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,348,480

Proper Divisor Sum 42,171

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1306289 ← → #1306313

1 31 42,139 1,306,309

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

1,306,309 3,918,928 1,959,464 979,732 489,866 244,933 734,800 367,400 183,700 91,850 45,925 137,776 68,888 34,444 17,222 8,611 25,834 12,917 38,752 19,376 9,688 4,844 2,422 1,211 3,634 1,817 5,452 2,726 1,363 4,090 2,045 6,136 3,068 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

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