5² × 61 × 211

Prime Factor Structure

Factorization String 5^2 × 61 × 211

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 407,464

Proper Divisor Sum 85,689

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #321757 ← → #321779

1 5 25 61 211 305 1,055 1,525 5,275 12,871 64,355 321,775

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

321,775 965,326 482,663 1,447,990 723,995 2,171,986 1,085,993 3,257,980 1,628,990 814,495 2,443,486 1,221,743 3,665,230 1,832,615 5,497,846 2,748,923 8,246,770 4,123,385 12,370,156 6,185,078 3,092,539 9,277,618 4,638,809 13,916,428 6,958,214 3,479,107 10,437,322 5,218,661 15,655,984 7,827,992 3,913,996 1,956,998 978,499 2,935,498 1,467,749 4,403,248 2,201,624 1,100,812 550,406 275,203 825,610 412,805 1,238,416 619,208 309,604 154,802 77,401 232,204 116,102 58,051 174,154 87,077 261,232 130,616 65,308 32,654 16,327 48,982 24,491 73,474

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