3 × 5 × 7² × 29 × 31

Prime Factor Structure

Factorization String 3 × 5 × 7^2 × 29 × 31

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,313,280

Proper Divisor Sum 652,515

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #660757 ← → #660769

1 3 5 7 15 21 29 31 35 49 87 93 105 145 147 155 203 217 245 435 465 609 651 735 899 1,015 1,085 1,421 1,519 2,697 3,045 3,255 4,263 4,495 4,557 6,293 7,105 7,595 13,485 18,879 21,315 22,785 31,465 44,051 94,395 132,153 220,255 660,765

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

660,765 1,982,296 991,148 495,574 247,787 743,362 371,681 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 44,705 134,116 67,058 33,529 100,588 50,294 25,147

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