2 × 13² × 1979

Prime Factor Structure

Factorization String 2 × 13^2 × 1979

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,087,020

Proper Divisor Sum 418,118

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #668879 ← → #668903

1 2 13 26 169 338 1,979 3,958 25,727 51,454 334,451 668,902

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

668,902 334,451 1,003,354 501,677 1,505,032 752,516 376,258 188,129 564,388 282,194 141,097 423,292 211,646 105,823 317,470 158,735 476,206 238,103 714,310 357,155 1,071,466 535,733 1,607,200 803,600 401,800 200,900 100,450 50,225 150,676 75,338 37,669 113,008 56,504 28,252 14,126 7,063 21,190 10,595 31,786 15,893 47,680 23,840 11,920 5,960 2,980 1,490 745 2,236 1,118 559 1,678 839 2,518 1,259 3,778 1,889 5,668 2,834 1,417 4,252

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