3⁴ × 31 × 263

Prime Factor Structure

Factorization String 3^4 × 31 × 263

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 1,022,208

Proper Divisor Sum 361,815

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #660391 ← → #660403

1 3 9 27 31 81 93 263 279 789 837 2,367 2,511 7,101 8,153 21,303 24,459 73,377 220,131 660,393

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

660,393 1,981,180 990,590 495,295 1,485,886 742,943 2,228,830 1,114,415 3,343,246 1,671,623 5,014,870 2,507,435 7,522,306 3,761,153 11,283,460 5,641,730 2,820,865 8,462,596 4,231,298 2,115,649 6,346,948 3,173,474 1,586,737 4,760,212 2,380,106 1,190,053 3,570,160 1,785,080 892,540 446,270 223,135 669,406 334,703 1,004,110 502,055 1,506,166 753,083 2,259,250 1,129,625 3,388,876 1,694,438 847,219 2,541,658 1,270,829 3,812,488 1,906,244 953,122 476,561 1,429,684 714,842 357,421 1,072,264 536,132 268,066 134,033 402,100 201,050 100,525 301,576 150,788

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