3 × 7 × 18919

Prime Factor Structure

Factorization String 3 × 7 × 18919

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 605,440

Proper Divisor Sum 208,141

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #397297 ← → #397301

1 3 7 21 18,919 56,757 132,433 397,299

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

397,299 1,191,898 595,949 1,787,848 893,924 446,962 223,481 670,444 335,222 167,611 502,834 251,417 754,252 377,126 188,563 565,690 282,845 848,536 424,268 212,134 106,067 318,202 159,101 477,304 238,652 119,326 59,663 178,990 89,495 268,486 134,243 402,730 201,365 604,096 302,048 151,024 75,512 37,756 18,878 9,439 28,318 14,159 42,478 21,239 63,718 31,859 95,578 47,789 143,368 71,684 35,842 17,921 53,764 26,882 13,441 40,324 20,162 10,081 30,244 15,122

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