3 × 7 × 17 × 19 × 31

Prime Factor Structure

Factorization String 3 × 7 × 17 × 19 × 31

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 368,640

Proper Divisor Sum 158,367

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #210263 ← → #210277

1 3 7 17 19 21 31 51 57 93 119 133 217 323 357 399 527 589 651 969 1,581 1,767 2,261 3,689 4,123 6,783 10,013 11,067 12,369 30,039 70,091 210,273

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

210,273 630,820 315,410 157,705 473,116 236,558 118,279 354,838 177,419 532,258 266,129 798,388 399,194 199,597 598,792 299,396 149,698 74,849 224,548 112,274 56,137 168,412 84,206 42,103 126,310 63,155 189,466 94,733 284,200 142,100 71,050 35,525 106,576 53,288 26,644 13,322 6,661 19,984 9,992 4,996 2,498 1,249 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345 16,036 8,018

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