13 × 127 × 131

Prime Factor Structure

Factorization String 13 × 127 × 131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 236,544

Proper Divisor Sum 20,263

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #216263 ← → #216289

1 13 127 131 1,651 1,703 16,637 216,281

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

216,281 648,844 324,422 162,211 486,634 243,317 729,952 364,976 182,488 91,244 45,622 22,811 68,434 34,217 102,652 51,326 25,663 76,990 38,495 115,486 57,743 173,230 86,615 259,846 129,923 389,770 194,885 584,656 292,328 146,164 73,082 36,541 109,624 54,812 27,406 13,703 41,110 20,555 61,666 30,833 92,500 46,250 23,125 69,376 34,688 17,344 8,672 4,336 2,168 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376

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