139 × 661

Prime Factor Structure

Factorization String 139 × 661

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 92,680

Proper Divisor Sum 801

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #91873 ← → #91909

1 139 661 91,879

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

91,879 275,638 137,819 413,458 206,729 620,188 310,094 155,047 465,142 232,571 697,714 348,857 1,046,572 523,286 261,643 784,930 392,465 1,177,396 588,698 294,349 883,048 441,524 220,762 110,381 331,144 165,572 82,786 41,393 124,180 62,090 31,045 93,136 46,568 23,284 11,642 5,821 17,464 8,732 4,366 2,183 6,550 3,275 9,826 4,913 14,740 7,370 3,685 11,056 5,528 2,764 1,382 691 2,074 1,037 3,112 1,556 778 389 1,168 584

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