3 × 19 × 31 × 1231

Prime Factor Structure

Factorization String 3 × 19 × 31 × 1231

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,153,920

Proper Divisor Sum 978,743

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2175169 ← → #2175191

1 3 19 31 57 93 589 1,231 1,767 3,693 23,389 38,161 70,167 114,483 725,059 2,175,177

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

2,175,177 6,525,532 3,262,766 1,631,383 4,894,150 2,447,075 7,341,226 3,670,613 11,011,840 5,505,920 2,752,960 1,376,480 688,240 344,120 172,060 86,030 43,015 129,046 64,523 193,570 96,785 290,356 145,178 72,589 217,768 108,884 54,442 27,221 81,664 40,832 20,416 10,208 5,104 2,552 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308

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