2 × 5² × 11 × 389

Prime Factor Structure

Factorization String 2 × 5^2 × 11 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 435,240

Proper Divisor Sum 221,290

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #213949 ← → #213953

1 2 5 10 11 22 25 50 55 110 275 389 550 778 1,945 3,890 4,279 8,558 9,725 19,450 21,395 42,790 106,975 213,950

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

213,950 106,975 320,926 160,463 481,390 240,695 722,086 361,043 1,083,130 541,565 1,624,696 812,348 406,174 203,087 609,262 304,631 913,894 456,947 1,370,842 685,421 2,056,264 1,028,132 514,066 257,033 771,100 385,550 192,775 578,326 289,163 867,490 433,745 1,301,236 650,618 325,309 975,928 487,964 243,982 121,991 365,974 182,987 548,962 274,481 823,444 411,722 205,861 617,584 308,792 154,396 77,198 38,599 115,798 57,899 173,698 86,849 260,548 130,274 65,137 195,412 97,706 48,853

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