2 × 7 × 17 × 28657

Prime Factor Structure

Factorization String 2 × 7 × 17 × 28657

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 12,380,256

Proper Divisor Sum 5,559,890

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #6820339 ← → #6820367

1 2 7 14 17 34 119 238 28,657 57,314 200,599 401,198 487,169 974,338 3,410,183 6,820,366

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

6,820,366 3,410,183 10,230,550 5,115,275 15,345,826 7,672,913 23,018,740 11,509,370 5,754,685 17,264,056 8,632,028 4,316,014 2,158,007 6,474,022 3,237,011 9,711,034 4,855,517 14,566,552 7,283,276 3,641,638 1,820,819 5,462,458 2,731,229 8,193,688 4,096,844 2,048,422 1,024,211 3,072,634 1,536,317 4,608,952 2,304,476 1,152,238 576,119 1,728,358 864,179 2,592,538 1,296,269 3,888,808 1,944,404 972,202 486,101 1,458,304 729,152 364,576 182,288 91,144 45,572 22,786 11,393 34,180 17,090 8,545 25,636 12,818 6,409 19,228 9,614 4,807 14,422 7,211

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