421 × 1321

Prime Factor Structure

Factorization String 421 × 1321

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 557,884

Proper Divisor Sum 1,743

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #556123 ← → #556159

1 421 1,321 556,141

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

556,141 1,668,424 834,212 417,106 208,553 625,660 312,830 156,415 469,246 234,623 703,870 351,935 1,055,806 527,903 1,583,710 791,855 2,375,566 1,187,783 3,563,350 1,781,675 5,345,026 2,672,513 8,017,540 4,008,770 2,004,385 6,013,156 3,006,578 1,503,289 4,509,868 2,254,934 1,127,467 3,382,402 1,691,201 5,073,604 2,536,802 1,268,401 3,805,204 1,902,602 951,301 2,853,904 1,426,952 713,476 356,738 178,369 535,108 267,554 133,777 401,332 200,666 100,333 301,000 150,500 75,250 37,625 112,876 56,438 28,219 84,658 42,329 126,988

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