5 × 7 × 19 × 257

Prime Factor Structure

Factorization String 5 × 7 × 19 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 247,680

Proper Divisor Sum 76,775

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #170899 ← → #170921

1 5 7 19 35 95 133 257 665 1,285 1,799 4,883 8,995 24,415 34,181 170,905

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

170,905 512,716 256,358 128,179 384,538 192,269 576,808 288,404 144,202 72,101 216,304 108,152 54,076 27,038 13,519 40,558 20,279 60,838 30,419 91,258 45,629 136,888 68,444 34,222 17,111 51,334 25,667 77,002 38,501 115,504 57,752 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061 12,184 6,092 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181

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