2 × 43 × 149 × 643

Prime Factor Structure

Factorization String 2 × 43 × 149 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 12,751,200

Proper Divisor Sum 4,511,798

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #8239367 ← → #8239403

1 2 43 86 149 298 643 1,286 6,407 12,814 27,649 55,298 95,807 191,614 4,119,701 8,239,402

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

8,239,402 4,119,701 12,359,104 6,179,552 3,089,776 1,544,888 772,444 386,222 193,111 579,334 289,667 869,002 434,501 1,303,504 651,752 325,876 162,938 81,469 244,408 122,204 61,102 30,551 91,654 45,827 137,482 68,741 206,224 103,112 51,556 25,778 12,889 38,668 19,334 9,667 29,002 14,501 43,504 21,752 10,876 5,438 2,719 8,158 4,079 12,238 6,119 18,358 9,179 27,538 13,769 41,308 20,654 10,327 30,982 15,491 46,474 23,237 69,712 34,856 17,428 8,714

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