521 × 7643

Prime Factor Structure

Factorization String 521 × 7643

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,990,168

Proper Divisor Sum 8,165

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #3981973 ← → #3982031

1 521 7,643 3,982,003

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

3,982,003 11,946,010 5,973,005 17,919,016 8,959,508 4,479,754 2,239,877 6,719,632 3,359,816 1,679,908 839,954 419,977 1,259,932 629,966 314,983 944,950 472,475 1,417,426 708,713 2,126,140 1,063,070 531,535 1,594,606 797,303 2,391,910 1,195,955 3,587,866 1,793,933 5,381,800 2,690,900 1,345,450 672,725 2,018,176 1,009,088 504,544 252,272 126,136 63,068 31,534 15,767 47,302 23,651 70,954 35,477 106,432 53,216 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743 11,230 5,615 16,846 8,423 25,270

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