21189109

Prime Factor Structure

Factorization String 21189109

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,189,110

Proper Divisor Sum 1

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21189107 ← → #21189131

1 21,189,109

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

21,189,109 63,567,328 31,783,664 15,891,832 7,945,916 3,972,958 1,986,479 5,959,438 2,979,719 8,939,158 4,469,579 13,408,738 6,704,369 20,113,108 10,056,554 5,028,277 15,084,832 7,542,416 3,771,208 1,885,604 942,802 471,401 1,414,204 707,102 353,551 1,060,654 530,327 1,590,982 795,491 2,386,474 1,193,237 3,579,712 1,789,856 894,928 447,464 223,732 111,866 55,933 167,800 83,900 41,950 20,975 62,926 31,463 94,390 47,195 141,586 70,793 212,380 106,190 53,095 159,286 79,643 238,930 119,465 358,396 179,198 89,599 268,798 134,399

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