3 × 7 × 59 × 1321

Prime Factor Structure

Factorization String 3 × 7 × 59 × 1321

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,538,240

Proper Divisor Sum 901,521

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1636711 ← → #1636721

1 3 7 21 59 177 413 1,239 1,321 3,963 9,247 27,741 77,939 233,817 545,573 1,636,719

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

1,636,719 4,910,158 2,455,079 7,365,238 3,682,619 11,047,858 5,523,929 16,571,788 8,285,894 4,142,947 12,428,842 6,214,421 18,643,264 9,321,632 4,660,816 2,330,408 1,165,204 582,602 291,301 873,904 436,952 218,476 109,238 54,619 163,858 81,929 245,788 122,894 61,447 184,342 92,171 276,514 138,257 414,772 207,386 103,693 311,080 155,540 77,770 38,885 116,656 58,328 29,164 14,582 7,291 21,874 10,937 32,812 16,406 8,203 24,610 12,305 36,916 18,458 9,229 27,688 13,844 6,922 3,461 10,384

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