31 × 71 × 4139

Prime Factor Structure

Factorization String 31 × 71 × 4139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 9,538,560

Proper Divisor Sum 428,621

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #9109927 ← → #9109957

1 31 71 2,201 4,139 128,309 293,869 9,109,939

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

9,109,939 27,329,818 13,664,909 40,994,728 20,497,364 10,248,682 5,124,341 15,373,024 7,686,512 3,843,256 1,921,628 960,814 480,407 1,441,222 720,611 2,161,834 1,080,917 3,242,752 1,621,376 810,688 405,344 202,672 101,336 50,668 25,334 12,667 38,002 19,001 57,004 28,502 14,251 42,754 21,377 64,132 32,066 16,033 48,100 24,050 12,025 36,076 18,038 9,019 27,058 13,529 40,588 20,294 10,147 30,442 15,221 45,664 22,832 11,416 5,708 2,854 1,427 4,282 2,141 6,424 3,212 1,606

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