251 × 257

Prime Factor Structure

Factorization String 251 × 257

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 65,016

Proper Divisor Sum 509

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #64499 ← → #64513

1 251 257 64,507

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

64,507 193,522 96,761 290,284 145,142 72,571 217,714 108,857 326,572 163,286 81,643 244,930 122,465 367,396 183,698 91,849 275,548 137,774 68,887 206,662 103,331 309,994 154,997 464,992 232,496 116,248 58,124 29,062 14,531 43,594 21,797 65,392 32,696 16,348 8,174 4,087 12,262 6,131 18,394 9,197 27,592 13,796 6,898 3,449 10,348 5,174 2,587 7,762 3,881 11,644 5,822 2,911 8,734 4,367 13,102 6,551 19,654 9,827 29,482 14,741

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