311 × 2221

Prime Factor Structure

Factorization String 311 × 2221

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 693,264

Proper Divisor Sum 2,533

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #690721 ← → #690757

1 311 2,221 690,731

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

690,731 2,072,194 1,036,097 3,108,292 1,554,146 777,073 2,331,220 1,165,610 582,805 1,748,416 874,208 437,104 218,552 109,276 54,638 27,319 81,958 40,979 122,938 61,469 184,408 92,204 46,102 23,051 69,154 34,577 103,732 51,866 25,933 77,800 38,900 19,450 9,725 29,176 14,588 7,294 3,647 10,942 5,471 16,414 8,207 24,622 12,311 36,934 18,467 55,402 27,701 83,104 41,552 20,776 10,388 5,194 2,597 7,792 3,896 1,948 974 487 1,462 731

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