661 × 1289

Prime Factor Structure

Factorization String 661 × 1289

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 853,980

Proper Divisor Sum 1,951

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #852013 ← → #852031

1 661 1,289 852,029

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

852,029 2,556,088 1,278,044 639,022 319,511 958,534 479,267 1,437,802 718,901 2,156,704 1,078,352 539,176 269,588 134,794 67,397 202,192 101,096 50,548 25,274 12,637 37,912 18,956 9,478 4,739 14,218 7,109 21,328 10,664 5,332 2,666 1,333 4,000 2,000 1,000 500 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155

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