2 × 5 × 643²

Prime Factor Structure

Factorization String 2 × 5 × 643^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 7,453,674

Proper Divisor Sum 3,319,184

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #4134469 ← → #4134497

1 2 5 10 643 1,286 3,215 6,430 413,449 826,898 2,067,245 4,134,490

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

4,134,490 2,067,245 6,201,736 3,100,868 1,550,434 775,217 2,325,652 1,162,826 581,413 1,744,240 872,120 436,060 218,030 109,015 327,046 163,523 490,570 245,285 735,856 367,928 183,964 91,982 45,991 137,974 68,987 206,962 103,481 310,444 155,222 77,611 232,834 116,417 349,252 174,626 87,313 261,940 130,970 65,485 196,456 98,228 49,114 24,557 73,672 36,836 18,418 9,209 27,628 13,814 6,907 20,722 10,361 31,084 15,542 7,771 23,314 11,657 34,972 17,486 8,743 26,230

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