3 × 7² × 4397

Prime Factor Structure

Factorization String 3 × 7^2 × 4397

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,002,744

Proper Divisor Sum 356,385

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #646339 ← → #646379

1 3 7 21 49 147 4,397 13,191 30,779 92,337 215,453 646,359

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

646,359 1,939,078 969,539 2,908,618 1,454,309 4,362,928 2,181,464 1,090,732 545,366 272,683 818,050 409,025 1,227,076 613,538 306,769 920,308 460,154 230,077 690,232 345,116 172,558 86,279 258,838 129,419 388,258 194,129 582,388 291,194 145,597 436,792 218,396 109,198 54,599 163,798 81,899 245,698 122,849 368,548 184,274 92,137 276,412 138,206 69,103 207,310 103,655 310,966 155,483 466,450 233,225 699,676 349,838 174,919 524,758 262,379 787,138 393,569 1,180,708 590,354 295,177 885,532

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