2 × 11 × 157 × 197

Prime Factor Structure

Factorization String 2 × 11 × 157 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,126,224

Proper Divisor Sum 445,786

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #680431 ← → #680441

1 2 11 22 157 197 314 394 1,727 2,167 3,454 4,334 30,929 61,858 340,219 680,438

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

680,438 340,219 1,020,658 510,329 1,530,988 765,494 382,747 1,148,242 574,121 1,722,364 861,182 430,591 1,291,774 645,887 1,937,662 968,831 2,906,494 1,453,247 4,359,742 2,179,871 6,539,614 3,269,807 9,809,422 4,904,711 14,714,134 7,357,067 22,071,202 11,035,601 33,106,804 16,553,402 8,276,701 24,830,104 12,415,052 6,207,526 3,103,763 9,311,290 4,655,645 13,966,936 6,983,468 3,491,734 1,745,867 5,237,602 2,618,801 7,856,404 3,928,202 1,964,101 5,892,304 2,946,152 1,473,076 736,538 368,269 1,104,808 552,404 276,202 138,101 414,304 207,152 103,576 51,788 25,894

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