13 × 19 × 23 × 347

Prime Factor Structure

Factorization String 13 × 19 × 23 × 347

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,338,560

Proper Divisor Sum 367,253

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1971289 ← → #1971313

1 13 19 23 247 299 347 437 4,511 5,681 6,593 7,981 85,709 103,753 151,639 1,971,307

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

1,971,307 5,913,922 2,956,961 8,870,884 4,435,442 2,217,721 6,653,164 3,326,582 1,663,291 4,989,874 2,494,937 7,484,812 3,742,406 1,871,203 5,613,610 2,806,805 8,420,416 4,210,208 2,105,104 1,052,552 526,276 263,138 131,569 394,708 197,354 98,677 296,032 148,016 74,008 37,004 18,502 9,251 27,754 13,877 41,632 20,816 10,408 5,204 2,602 1,301 3,904 1,952 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10

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