13 × 31 × 97 × 101

Prime Factor Structure

Factorization String 13 × 31 × 97 × 101

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,478,208

Proper Divisor Sum 530,017

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #3948187 ← → #3948223

1 13 31 97 101 403 1,261 1,313 3,007 3,131 9,797 39,091 40,703 127,361 303,707 3,948,191

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

3,948,191 11,844,574 5,922,287 17,766,862 8,883,431 26,650,294 13,325,147 39,975,442 19,987,721 59,963,164 29,981,582 14,990,791 44,972,374 22,486,187 67,458,562 33,729,281 101,187,844 50,593,922 25,296,961 75,890,884 37,945,442 18,972,721 56,918,164 28,459,082 14,229,541 42,688,624 21,344,312 10,672,156 5,336,078 2,668,039 8,004,118 4,002,059 12,006,178 6,003,089 18,009,268 9,004,634 4,502,317 13,506,952 6,753,476 3,376,738 1,688,369 5,065,108 2,532,554 1,266,277 3,798,832 1,899,416 949,708 474,854 237,427 712,282 356,141 1,068,424 534,212 267,106 133,553 400,660 200,330 100,165 300,496 150,248

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