2 × 5² × 21739

Prime Factor Structure

Factorization String 2 × 5^2 × 21739

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,021,820

Proper Divisor Sum 934,870

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1086937 ← → #1086989

1 2 5 10 25 50 21,739 43,478 108,695 217,390 543,475 1,086,950

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

1,086,950 543,475 1,630,426 815,213 2,445,640 1,222,820 611,410 305,705 917,116 458,558 229,279 687,838 343,919 1,031,758 515,879 1,547,638 773,819 2,321,458 1,160,729 3,482,188 1,741,094 870,547 2,611,642 1,305,821 3,917,464 1,958,732 979,366 489,683 1,469,050 734,525 2,203,576 1,101,788 550,894 275,447 826,342 413,171 1,239,514 619,757 1,859,272 929,636 464,818 232,409 697,228 348,614 174,307 522,922 261,461 784,384 392,192 196,096 98,048 49,024 24,512 12,256 6,128 3,064 1,532 766 383 1,150

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