3² × 101 × 239

Prime Factor Structure

Factorization String 3^2 × 101 × 239

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 318,240

Proper Divisor Sum 100,989

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #217241 ← → #217253

1 3 9 101 239 303 717 909 2,151 24,139 72,417 217,251

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

217,251 651,754 325,877 977,632 488,816 244,408 122,204 61,102 30,551 91,654 45,827 137,482 68,741 206,224 103,112 51,556 25,778 12,889 38,668 19,334 9,667 29,002 14,501 43,504 21,752 10,876 5,438 2,719 8,158 4,079 12,238 6,119 18,358 9,179 27,538 13,769 41,308 20,654 10,327 30,982 15,491 46,474 23,237 69,712 34,856 17,428 8,714 4,357 13,072 6,536 3,268 1,634 817 2,452 1,226 613 1,840 920 460 230

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