7² × 13² × 311

Prime Factor Structure

Factorization String 7^2 × 13^2 × 311

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 3,254,472

Proper Divisor Sum 679,081

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #2575373 ← → #2575411

1 7 13 49 91 169 311 637 1,183 2,177 4,043 8,281 15,239 28,301 52,559 198,107 367,913 2,575,391

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

2,575,391 7,726,174 3,863,087 11,589,262 5,794,631 17,383,894 8,691,947 26,075,842 13,037,921 39,113,764 19,556,882 9,778,441 29,335,324 14,667,662 7,333,831 22,001,494 11,000,747 33,002,242 16,501,121 49,503,364 24,751,682 12,375,841 37,127,524 18,563,762 9,281,881 27,845,644 13,922,822 6,961,411 20,884,234 10,442,117 31,326,352 15,663,176 7,831,588 3,915,794 1,957,897 5,873,692 2,936,846 1,468,423 4,405,270 2,202,635 6,607,906 3,303,953 9,911,860 4,955,930 2,477,965 7,433,896 3,716,948 1,858,474 929,237 2,787,712 1,393,856 696,928 348,464 174,232 87,116 43,558 21,779 65,338 32,669 98,008

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