3² × 13 × 17 × 107

Prime Factor Structure

Factorization String 3^2 × 13 × 17 × 107

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 353,808

Proper Divisor Sum 140,985

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #212801 ← → #212827

1 3 9 13 17 39 51 107 117 153 221 321 663 963 1,391 1,819 1,989 4,173 5,457 12,519 16,371 23,647 70,941 212,823

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

212,823 638,470 319,235 957,706 478,853 1,436,560 718,280 359,140 179,570 89,785 269,356 134,678 67,339 202,018 101,009 303,028 151,514 75,757 227,272 113,636 56,818 28,409 85,228 42,614 21,307 63,922 31,961 95,884 47,942 23,971 71,914 35,957 107,872 53,936 26,968 13,484 6,742 3,371 10,114 5,057 15,172 7,586 3,793 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352

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