3 × 13 × 31 × 67

Prime Factor Structure

Factorization String 3 × 13 × 31 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 121,856

Proper Divisor Sum 40,853

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #81001 ← → #81013

1 3 13 31 39 67 93 201 403 871 1,209 2,077 2,613 6,231 27,001 81,003

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

81,003 243,010 121,505 364,516 182,258 91,129 273,388 136,694 68,347 205,042 102,521 307,564 153,782 76,891 230,674 115,337 346,012 173,006 86,503 259,510 129,755 389,266 194,633 583,900 291,950 145,975 437,926 218,963 656,890 328,445 985,336 492,668 246,334 123,167 369,502 184,751 554,254 277,127 831,382 415,691 1,247,074 623,537 1,870,612 935,306 467,653 1,402,960 701,480 350,740 175,370 87,685 263,056 131,528 65,764 32,882 16,441 49,324 24,662 12,331 36,994 18,497

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