3² × 17 × 43 × 61

Prime Factor Structure

Factorization String 3^2 × 17 × 43 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 638,352

Proper Divisor Sum 237,033

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #401311 ← → #401321

1 3 9 17 43 51 61 129 153 183 387 549 731 1,037 2,193 2,623 3,111 6,579 7,869 9,333 23,607 44,591 133,773 401,319

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

401,319 1,203,958 601,979 1,805,938 902,969 2,708,908 1,354,454 677,227 2,031,682 1,015,841 3,047,524 1,523,762 761,881 2,285,644 1,142,822 571,411 1,714,234 857,117 2,571,352 1,285,676 642,838 321,419 964,258 482,129 1,446,388 723,194 361,597 1,084,792 542,396 271,198 135,599 406,798 203,399 610,198 305,099 915,298 457,649 1,372,948 686,474 343,237 1,029,712 514,856 257,428 128,714 64,357 193,072 96,536 48,268 24,134 12,067 36,202 18,101 54,304 27,152 13,576 6,788 3,394 1,697 5,092 2,546

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