7² × 13 × 17 × 37

Prime Factor Structure

Factorization String 7^2 × 13 × 17 × 37

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 545,832

Proper Divisor Sum 145,159

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #400657 ← → #400679

1 7 13 17 37 49 91 119 221 259 481 629 637 833 1,547 1,813 3,367 4,403 8,177 10,829 23,569 30,821 57,239 400,673

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

400,673 1,202,020 601,010 300,505 901,516 450,758 225,379 676,138 338,069 1,014,208 507,104 253,552 126,776 63,388 31,694 15,847 47,542 23,771 71,314 35,657 106,972 53,486 26,743 80,230 40,115 120,346 60,173 180,520 90,260 45,130 22,565 67,696 33,848 16,924 8,462 4,231 12,694 6,347 19,042 9,521 28,564 14,282 7,141 21,424 10,712 5,356 2,678 1,339 4,018 2,009 6,028 3,014 1,507 4,522 2,261 6,784 3,392 1,696 848 424

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