2 × 13 × 139 × 179

Prime Factor Structure

Factorization String 2 × 13 × 139 × 179

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,058,400

Proper Divisor Sum 411,494

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #646897 ← → #646909

1 2 13 26 139 179 278 358 1,807 2,327 3,614 4,654 24,881 49,762 323,453 646,906

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

646,906 323,453 970,360 485,180 242,590 121,295 363,886 181,943 545,830 272,915 818,746 409,373 1,228,120 614,060 307,030 153,515 460,546 230,273 690,820 345,410 172,705 518,116 259,058 129,529 388,588 194,294 97,147 291,442 145,721 437,164 218,582 109,291 327,874 163,937 491,812 245,906 122,953 368,860 184,430 92,215 276,646 138,323 414,970 207,485 622,456 311,228 155,614 77,807 233,422 116,711 350,134 175,067 525,202 262,601 787,804 393,902 196,951 590,854 295,427 886,282

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