3 × 5 × 61 × 89

Prime Factor Structure

Factorization String 3 × 5 × 61 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 133,920

Proper Divisor Sum 52,485

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #81421 ← → #81439

1 3 5 15 61 89 183 267 305 445 915 1,335 5,429 16,287 27,145 81,435

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

81,435 244,306 122,153 366,460 183,230 91,615 274,846 137,423 412,270 206,135 618,406 309,203 927,610 463,805 1,391,416 695,708 347,854 173,927 521,782 260,891 782,674 391,337 1,174,012 587,006 293,503 880,510 440,255 1,320,766 660,383 1,981,150 990,575 2,971,726 1,485,863 4,457,590 2,228,795 6,686,386 3,343,193 10,029,580 5,014,790 2,507,395 7,522,186 3,761,093 11,283,280 5,641,640 2,820,820 1,410,410 705,205 2,115,616 1,057,808 528,904 264,452 132,226 66,113 198,340 99,170 49,585 148,756 74,378 37,189 111,568

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