3 × 7 × 101 × 103

Prime Factor Structure

Factorization String 3 × 7 × 101 × 103

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 339,456

Proper Divisor Sum 120,993

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #218461 ← → #218479

1 3 7 21 101 103 303 309 707 721 2,121 2,163 10,403 31,209 72,821 218,463

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

218,463 655,390 327,695 983,086 491,543 1,474,630 737,315 2,211,946 1,105,973 3,317,920 1,658,960 829,480 414,740 207,370 103,685 311,056 155,528 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 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40

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