2 × 5 × 21713

Prime Factor Structure

Factorization String 2 × 5 × 21713

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 390,852

Proper Divisor Sum 173,722

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #217121 ← → #217157

1 2 5 10 21,713 43,426 108,565 217,130

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

217,130 108,565 325,696 162,848 81,424 40,712 20,356 10,178 5,089 15,268 7,634 3,817 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039 6,118 3,059 9,178 4,589 13,768 6,884 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180 1,090 545 1,636 818 409 1,228 614 307 922 461 1,384

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