3 × 7 × 13 × 2011

Prime Factor Structure

Factorization String 3 × 7 × 13 × 2011

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 901,376

Proper Divisor Sum 352,373

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #549001 ← → #549011

1 3 7 13 21 39 91 273 2,011 6,033 14,077 26,143 42,231 78,429 183,001 549,003

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

549,003 1,647,010 823,505 2,470,516 1,235,258 617,629 1,852,888 926,444 463,222 231,611 694,834 347,417 1,042,252 521,126 260,563 781,690 390,845 1,172,536 586,268 293,134 146,567 439,702 219,851 659,554 329,777 989,332 494,666 247,333 742,000 371,000 185,500 92,750 46,375 139,126 69,563 208,690 104,345 313,036 156,518 78,259 234,778 117,389 352,168 176,084 88,042 44,021 132,064 66,032 33,016 16,508 8,254 4,127 12,382 6,191 18,574 9,287 27,862 13,931 41,794 20,897

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