3 × 7 × 13 × 3137

Prime Factor Structure

Factorization String 3 × 7 × 13 × 3137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,405,824

Proper Divisor Sum 549,423

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #856393 ← → #856411

1 3 7 13 21 39 91 273 3,137 9,411 21,959 40,781 65,877 122,343 285,467 856,401

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

856,401 2,569,204 1,284,602 642,301 1,926,904 963,452 481,726 240,863 722,590 361,295 1,083,886 541,943 1,625,830 812,915 2,438,746 1,219,373 3,658,120 1,829,060 914,530 457,265 1,371,796 685,898 342,949 1,028,848 514,424 257,212 128,606 64,303 192,910 96,455 289,366 144,683 434,050 217,025 651,076 325,538 162,769 488,308 244,154 122,077 366,232 183,116 91,558 45,779 137,338 68,669 206,008 103,004 51,502 25,751 77,254 38,627 115,882 57,941 173,824 86,912 43,456 21,728 10,864 5,432

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