2² × 19 × 47 × 181

Prime Factor Structure

Factorization String 2^2 × 19 × 47 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,223,040

Proper Divisor Sum 576,508

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #646523 ← → #646537

1 2 4 19 38 47 76 94 181 188 362 724 893 1,786 3,439 3,572 6,878 8,507 13,756 17,014 34,028 161,633 323,266 646,532

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

646,532 323,266 161,633 484,900 242,450 121,225 363,676 181,838 90,919 272,758 136,379 409,138 204,569 613,708 306,854 153,427 460,282 230,141 690,424 345,212 172,606 86,303 258,910 129,455 388,366 194,183 582,550 291,275 873,826 436,913 1,310,740 655,370 327,685 983,056 491,528 245,764 122,882 61,441 184,324 92,162 46,081 138,244 69,122 34,561 103,684 51,842 25,921 77,764 38,882 19,441 58,324 29,162 14,581 43,744 21,872 10,936 5,468 2,734 1,367 4,102

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