3² × 20173

Prime Factor Structure

Factorization String 3^2 × 20173

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 262,262

Proper Divisor Sum 80,705

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #181553 ← → #181603

1 3 9 20,173 60,519 181,557

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

181,557 544,672 272,336 136,168 68,084 34,042 17,021 51,064 25,532 12,766 6,383 19,150 9,575 28,726 14,363 43,090 21,545 64,636 32,318 16,159 48,478 24,239 72,718 36,359 109,078 54,539 163,618 81,809 245,428 122,714 61,357 184,072 92,036 46,018 23,009 69,028 34,514 17,257 51,772 25,886 12,943 38,830 19,415 58,246 29,123 87,370 43,685 131,056 65,528 32,764 16,382 8,191 24,574 12,287 36,862 18,431 55,294 27,647 82,942 41,471

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