317 × 1721

Prime Factor Structure

Factorization String 317 × 1721

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 547,596

Proper Divisor Sum 2,039

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #545551 ← → #545579

1 317 1,721 545,557

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

545,557 1,636,672 818,336 409,168 204,584 102,292 51,146 25,573 76,720 38,360 19,180 9,590 4,795 14,386 7,193 21,580 10,790 5,395 16,186 8,093 24,280 12,140 6,070 3,035 9,106 4,553 13,660 6,830 3,415 10,246 5,123 15,370 7,685 23,056 11,528 5,764 2,882 1,441 4,324 2,162 1,081 3,244 1,622 811 2,434 1,217 3,652 1,826 913 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580

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