3 × 5 × 17 × 571

Prime Factor Structure

Factorization String 3 × 5 × 17 × 571

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 247,104

Proper Divisor Sum 101,499

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #145603 ← → #145633

1 3 5 15 17 51 85 255 571 1,713 2,855 8,565 9,707 29,121 48,535 145,605

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

145,605 436,816 218,408 109,204 54,602 27,301 81,904 40,952 20,476 10,238 5,119 15,358 7,679 23,038 11,519 34,558 17,279 51,838 25,919 77,758 38,879 116,638 58,319 174,958 87,479 262,438 131,219 393,658 196,829 590,488 295,244 147,622 73,811 221,434 110,717 332,152 166,076 83,038 41,519 124,558 62,279 186,838 93,419 280,258 140,129 420,388 210,194 105,097 315,292 157,646 78,823 236,470 118,235 354,706 177,353 532,060 266,030 133,015 399,046 199,523

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