7 × 43 × 131 × 643

Prime Factor Structure

Factorization String 7 × 43 × 131 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 29,922,816

Proper Divisor Sum 4,568,683

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #25354117 ← → #25354229

1 7 43 131 301 643 917 4,501 5,633 27,649 39,431 84,233 193,543 589,631 3,622,019 25,354,133

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

25,354,133 76,062,400 38,031,200 19,015,600 9,507,800 4,753,900 2,376,950 1,188,475 3,565,426 1,782,713 5,348,140 2,674,070 1,337,035 4,011,106 2,005,553 6,016,660 3,008,330 1,504,165 4,512,496 2,256,248 1,128,124 564,062 282,031 846,094 423,047 1,269,142 634,571 1,903,714 951,857 2,855,572 1,427,786 713,893 2,141,680 1,070,840 535,420 267,710 133,855 401,566 200,783 602,350 301,175 903,526 451,763 1,355,290 677,645 2,032,936 1,016,468 508,234 254,117 762,352 381,176 190,588 95,294 47,647 142,942 71,471 214,414 107,207 321,622 160,811

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