5² × 13 × 251

Prime Factor Structure

Factorization String 5^2 × 13 × 251

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 109,368

Proper Divisor Sum 27,793

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #81569 ← → #81611

1 5 13 25 65 251 325 1,255 3,263 6,275 16,315 81,575

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

81,575 244,726 122,363 367,090 183,545 550,636 275,318 137,659 412,978 206,489 619,468 309,734 154,867 464,602 232,301 696,904 348,452 174,226 87,113 261,340 130,670 65,335 196,006 98,003 294,010 147,005 441,016 220,508 110,254 55,127 165,382 82,691 248,074 124,037 372,112 186,056 93,028 46,514 23,257 69,772 34,886 17,443 52,330 26,165 78,496 39,248 19,624 9,812 4,906 2,453 7,360 3,680 1,840 920 460 230 115 346 173 520

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