3 × 7 × 11 × 1213

Prime Factor Structure

Factorization String 3 × 7 × 11 × 1213

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 466,176

Proper Divisor Sum 185,973

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #280199 ← → #280207

1 3 7 11 21 33 77 231 1,213 3,639 8,491 13,343 25,473 40,029 93,401 280,203

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

280,203 840,610 420,305 1,260,916 630,458 315,229 945,688 472,844 236,422 118,211 354,634 177,317 531,952 265,976 132,988 66,494 33,247 99,742 49,871 149,614 74,807 224,422 112,211 336,634 168,317 504,952 252,476 126,238 63,119 189,358 94,679 284,038 142,019 426,058 213,029 639,088 319,544 159,772 79,886 39,943 119,830 59,915 179,746 89,873 269,620 134,810 67,405 202,216 101,108 50,554 25,277 75,832 37,916 18,958 9,479 28,438 14,219 42,658 21,329 63,988

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