7 × 13 × 23581

Prime Factor Structure

Factorization String 7 × 13 × 23581

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,641,184

Proper Divisor Sum 495,313

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #2145853 ← → #2145937

1 7 13 91 23,581 165,067 306,553 2,145,871

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

2,145,871 6,437,614 3,218,807 9,656,422 4,828,211 14,484,634 7,242,317 21,726,952 10,863,476 5,431,738 2,715,869 8,147,608 4,073,804 2,036,902 1,018,451 3,055,354 1,527,677 4,583,032 2,291,516 1,145,758 572,879 1,718,638 859,319 2,577,958 1,288,979 3,866,938 1,933,469 5,800,408 2,900,204 1,450,102 725,051 2,175,154 1,087,577 3,262,732 1,631,366 815,683 2,447,050 1,223,525 3,670,576 1,835,288 917,644 458,822 229,411 688,234 344,117 1,032,352 516,176 258,088 129,044 64,522 32,261 96,784 48,392 24,196 12,098 6,049 18,148 9,074 4,537 13,612

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