11 × 13 × 1621

Prime Factor Structure

Factorization String 11 × 13 × 1621

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 272,496

Proper Divisor Sum 40,693

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #231799 ← → #231809

1 11 13 143 1,621 17,831 21,073 231,803

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

231,803 695,410 347,705 1,043,116 521,558 260,779 782,338 391,169 1,173,508 586,754 293,377 880,132 440,066 220,033 660,100 330,050 165,025 495,076 247,538 123,769 371,308 185,654 92,827 278,482 139,241 417,724 208,862 104,431 313,294 156,647 469,942 234,971 704,914 352,457 1,057,372 528,686 264,343 793,030 396,515 1,189,546 594,773 1,784,320 892,160 446,080 223,040 111,520 55,760 27,880 13,940 6,970 3,485 10,456 5,228 2,614 1,307 3,922 1,961 5,884 2,942 1,471

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