521 × 7757

Prime Factor Structure

Factorization String 521 × 7757

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,049,676

Proper Divisor Sum 8,279

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #4041383 ← → #4041407

1 521 7,757 4,041,397

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

4,041,397 12,124,192 6,062,096 3,031,048 1,515,524 757,762 378,881 1,136,644 568,322 284,161 852,484 426,242 213,121 639,364 319,682 159,841 479,524 239,762 119,881 359,644 179,822 89,911 269,734 134,867 404,602 202,301 606,904 303,452 151,726 75,863 227,590 113,795 341,386 170,693 512,080 256,040 128,020 64,010 32,005 96,016 48,008 24,004 12,002 6,001 18,004 9,002 4,501 13,504 6,752 3,376 1,688 844 422 211 634 317 952 476 238 119

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