2 × 521 × 691

Prime Factor Structure

Factorization String 2 × 521 × 691

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,083,672

Proper Divisor Sum 363,650

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #720019 ← → #720023

1 2 521 691 1,042 1,382 360,011 720,022

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

720,022 360,011 1,080,034 540,017 1,620,052 810,026 405,013 1,215,040 607,520 303,760 151,880 75,940 37,970 18,985 56,956 28,478 14,239 42,718 21,359 64,078 32,039 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

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