31 × 12589

Prime Factor Structure

Factorization String 31 × 12589

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 402,880

Proper Divisor Sum 12,621

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #390223 ← → #390263

1 31 12,589 390,259

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

390,259 1,170,778 585,389 1,756,168 878,084 439,042 219,521 658,564 329,282 164,641 493,924 246,962 123,481 370,444 185,222 92,611 277,834 138,917 416,752 208,376 104,188 52,094 26,047 78,142 39,071 117,214 58,607 175,822 87,911 263,734 131,867 395,602 197,801 593,404 296,702 148,351 445,054 222,527 667,582 333,791 1,001,374 500,687 1,502,062 751,031 2,253,094 1,126,547 3,379,642 1,689,821 5,069,464 2,534,732 1,267,366 633,683 1,901,050 950,525 2,851,576 1,425,788 712,894 356,447 1,069,342 534,671

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