257 × 21499

Prime Factor Structure

Factorization String 257 × 21499

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,547,000

Proper Divisor Sum 21,757

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #5525239 ← → #5525251

1 257 21,499 5,525,243

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

5,525,243 16,575,730 8,287,865 24,863,596 12,431,798 6,215,899 18,647,698 9,323,849 27,971,548 13,985,774 6,992,887 20,978,662 10,489,331 31,467,994 15,733,997 47,201,992 23,600,996 11,800,498 5,900,249 17,700,748 8,850,374 4,425,187 13,275,562 6,637,781 19,913,344 9,956,672 4,978,336 2,489,168 1,244,584 622,292 311,146 155,573 466,720 233,360 116,680 58,340 29,170 14,585 43,756 21,878 10,939 32,818 16,409 49,228 24,614 12,307 36,922 18,461 55,384 27,692 13,846 6,923 20,770 10,385 31,156 15,578 7,789 23,368 11,684 5,842

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