61 × 331

Prime Factor Structure

Factorization String 61 × 331

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 20,584

Proper Divisor Sum 393

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #20183 ← → #20201

1 61 331 20,191

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

20,191 60,574 30,287 90,862 45,431 136,294 68,147 204,442 102,221 306,664 153,332 76,666 38,333 115,000 57,500 28,750 14,375 43,126 21,563 64,690 32,345 97,036 48,518 24,259 72,778 36,389 109,168 54,584 27,292 13,646 6,823 20,470 10,235 30,706 15,353 46,060 23,030 11,515 34,546 17,273 51,820 25,910 12,955 38,866 19,433 58,300 29,150 14,575 43,726 21,863 65,590 32,795 98,386 49,193 147,580 73,790 36,895 110,686 55,343 166,030

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