3² × 5 × 7 × 677

Prime Factor Structure

Factorization String 3^2 × 5 × 7 × 677

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 423,072

Proper Divisor Sum 209,817

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #213253 ← → #213263

1 3 5 7 9 15 21 35 45 63 105 315 677 2,031 3,385 4,739 6,093 10,155 14,217 23,695 30,465 42,651 71,085 213,255

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

213,255 639,766 319,883 959,650 479,825 1,439,476 719,738 359,869 1,079,608 539,804 269,902 134,951 404,854 202,427 607,282 303,641 910,924 455,462 227,731 683,194 341,597 1,024,792 512,396 256,198 128,099 384,298 192,149 576,448 288,224 144,112 72,056 36,028 18,014 9,007 27,022 13,511 40,534 20,267 60,802 30,401 91,204 45,602 22,801 68,404 34,202 17,101 51,304 25,652 12,826 6,413 19,240 9,620 4,810 2,405 7,216 3,608 1,804 902 451 1,354

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