3 × 5² × 7 × 13

Prime Factor Structure

Factorization String 3 × 5^2 × 7 × 13

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 13,888

Proper Divisor Sum 7,063

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #6823 ← → #6827

1 3 5 7 13 15 21 25 35 39 65 75 91 105 175 195 273 325 455 525 975 1,365 2,275 6,825

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

6,825 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 78,823 236,470 118,235 354,706 177,353 532,060 266,030 133,015 399,046 199,523 598,570 299,285 897,856 448,928 224,464 112,232 56,116

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