251 × 2557

Prime Factor Structure

Factorization String 251 × 2557

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 644,616

Proper Divisor Sum 2,809

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #641803 ← → #641813

1 251 2,557 641,807

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

641,807 1,925,422 962,711 2,888,134 1,444,067 4,332,202 2,166,101 6,498,304 3,249,152 1,624,576 812,288 406,144 203,072 101,536 50,768 25,384 12,692 6,346 3,173 9,520 4,760 2,380 1,190 595 1,786 893 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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