13 × 17² × 571

Prime Factor Structure

Factorization String 13 × 17^2 × 571

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,458,456

Proper Divisor Sum 313,209

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #2145239 ← → #2145263

1 13 17 221 289 571 3,757 7,423 9,707 126,191 165,019 2,145,247

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

2,145,247 6,435,742 3,217,871 9,653,614 4,826,807 14,480,422 7,240,211 21,720,634 10,860,317 32,580,952 16,290,476 8,145,238 4,072,619 12,217,858 6,108,929 18,326,788 9,163,394 4,581,697 13,745,092 6,872,546 3,436,273 10,308,820 5,154,410 2,577,205 7,731,616 3,865,808 1,932,904 966,452 483,226 241,613 724,840 362,420 181,210 90,605 271,816 135,908 67,954 33,977 101,932 50,966 25,483 76,450 38,225 114,676 57,338 28,669 86,008 43,004 21,502 10,751 32,254 16,127 48,382 24,191 72,574 36,287 108,862 54,431 163,294 81,647

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