7 × 31 × 37 × 251

Prime Factor Structure

Factorization String 7 × 31 × 37 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,451,456

Proper Divisor Sum 436,177

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2015269 ← → #2015287

1 7 31 37 217 251 259 1,147 1,757 7,781 8,029 9,287 54,467 65,009 287,897 2,015,279

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

2,015,279 6,045,838 3,022,919 9,068,758 4,534,379 13,603,138 6,801,569 20,404,708 10,202,354 5,101,177 15,303,532 7,651,766 3,825,883 11,477,650 5,738,825 17,216,476 8,608,238 4,304,119 12,912,358 6,456,179 19,368,538 9,684,269 29,052,808 14,526,404 7,263,202 3,631,601 10,894,804 5,447,402 2,723,701 8,171,104 4,085,552 2,042,776 1,021,388 510,694 255,347 766,042 383,021 1,149,064 574,532 287,266 143,633 430,900 215,450 107,725 323,176 161,588 80,794 40,397 121,192 60,596 30,298 15,149 45,448 22,724 11,362 5,681 17,044 8,522 4,261 12,784

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