17 × 31 × 409

Prime Factor Structure

Factorization String 17 × 31 × 409

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 236,160

Proper Divisor Sum 20,617

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #215531 ← → #215563

1 17 31 409 527 6,953 12,679 215,543

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

215,543 646,630 323,315 969,946 484,973 1,454,920 727,460 363,730 181,865 545,596 272,798 136,399 409,198 204,599 613,798 306,899 920,698 460,349 1,381,048 690,524 345,262 172,631 517,894 258,947 776,842 388,421 1,165,264 582,632 291,316 145,658 72,829 218,488 109,244 54,622 27,311 81,934 40,967 122,902 61,451 184,354 92,177 276,532 138,266 69,133 207,400 103,700 51,850 25,925 77,776 38,888 19,444 9,722 4,861 14,584 7,292 3,646 1,823 5,470 2,735 8,206

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