31 × 20879

Prime Factor Structure

Factorization String 31 × 20879

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 668,160

Proper Divisor Sum 20,911

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #647219 ← → #647261

1 31 20,879 647,249

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

647,249 1,941,748 970,874 485,437 1,456,312 728,156 364,078 182,039 546,118 273,059 819,178 409,589 1,228,768 614,384 307,192 153,596 76,798 38,399 115,198 57,599 172,798 86,399 259,198 129,599 388,798 194,399 583,198 291,599 874,798 437,399 1,312,198 656,099 1,968,298 984,149 2,952,448 1,476,224 738,112 369,056 184,528 92,264 46,132 23,066 11,533 34,600 17,300 8,650 4,325 12,976 6,488 3,244 1,622 811 2,434 1,217 3,652 1,826 913 2,740 1,370 685

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