257 × 457

Prime Factor Structure

Factorization String 257 × 457

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 118,164

Proper Divisor Sum 715

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #117443 ← → #117497

1 257 457 117,449

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

117,449 352,348 176,174 88,087 264,262 132,131 396,394 198,197 594,592 297,296 148,648 74,324 37,162 18,581 55,744 27,872 13,936 6,968 3,484 1,742 871 2,614 1,307 3,922 1,961 5,884 2,942 1,471 4,414 2,207 6,622 3,311 9,934 4,967 14,902 7,451 22,354 11,177 33,532 16,766 8,383 25,150 12,575 37,726 18,863 56,590 28,295 84,886 42,443 127,330 63,665 190,996 95,498 47,749 143,248 71,624 35,812 17,906 8,953 26,860

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