2² × 5 × 31 × 1097

Prime Factor Structure

Factorization String 2^2 × 5 × 31 × 1097

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,475,712

Proper Divisor Sum 795,572

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #680129 ← → #680159

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

680,140 340,070 170,035 510,106 255,053 765,160 382,580 191,290 95,645 286,936 143,468 71,734 35,867 107,602 53,801 161,404 80,702 40,351 121,054 60,527 181,582 90,791 272,374 136,187 408,562 204,281 612,844 306,422 153,211 459,634 229,817 689,452 344,726 172,363 517,090 258,545 775,636 387,818 193,909 581,728 290,864 145,432 72,716 36,358 18,179 54,538 27,269 81,808 40,904 20,452 10,226 5,113 15,340 7,670 3,835 11,506 5,753 17,260 8,630 4,315

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