13² × 31 × 1237

Prime Factor Structure

Factorization String 13^2 × 31 × 1237

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 7,249,728

Proper Divisor Sum 769,085

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #6480637 ← → #6480697

1 13 31 169 403 1,237 5,239 16,081 38,347 209,053 498,511 6,480,643

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

6,480,643 19,441,930 9,720,965 29,162,896 14,581,448 7,290,724 3,645,362 1,822,681 5,468,044 2,734,022 1,367,011 4,101,034 2,050,517 6,151,552 3,075,776 1,537,888 768,944 384,472 192,236 96,118 48,059 144,178 72,089 216,268 108,134 54,067 162,202 81,101 243,304 121,652 60,826 30,413 91,240 45,620 22,810 11,405 34,216 17,108 8,554 4,277 12,832 6,416 3,208 1,604 802 401 1,204 602 301 904 452 226 113 340 170 85 256 128 64 32

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