2 × 13 × 31 × 641

Prime Factor Structure

Factorization String 2 × 13 × 31 × 641

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 862,848

Proper Divisor Sum 346,202

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #516643 ← → #516653

1 2 13 26 31 62 403 641 806 1,282 8,333 16,666 19,871 39,742 258,323 516,646

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

516,646 258,323 774,970 387,485 1,162,456 581,228 290,614 145,307 435,922 217,961 653,884 326,942 163,471 490,414 245,207 735,622 367,811 1,103,434 551,717 1,655,152 827,576 413,788 206,894 103,447 310,342 155,171 465,514 232,757 698,272 349,136 174,568 87,284 43,642 21,821 65,464 32,732 16,366 8,183 24,550 12,275 36,826 18,413 55,240 27,620 13,810 6,905 20,716 10,358 5,179 15,538 7,769 23,308 11,654 5,827 17,482 8,741 26,224 13,112 6,556 3,278

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