3² × 139 × 313

Prime Factor Structure

Factorization String 3^2 × 139 × 313

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 571,480

Proper Divisor Sum 179,917

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #391553 ← → #391579

1 3 9 139 313 417 939 1,251 2,817 43,507 130,521 391,563

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

391,563 1,174,690 587,345 1,762,036 881,018 440,509 1,321,528 660,764 330,382 165,191 495,574 247,787 743,362 371,681 1,115,044 557,522 278,761 836,284 418,142 209,071 627,214 313,607 940,822 470,411 1,411,234 705,617 2,116,852 1,058,426 529,213 1,587,640 793,820 396,910 198,455 595,366 297,683 893,050 446,525 1,339,576 669,788 334,894 167,447 502,342 251,171 753,514 376,757 1,130,272 565,136 282,568 141,284 70,642 35,321 105,964 52,982 26,491 79,474 39,737 119,212 59,606 29,803 89,410

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