721661

Prime Factor Structure

Factorization String 721661

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 721,662

Proper Divisor Sum 1

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #721631 ← → #721663

1 721,661

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

721,661 2,164,984 1,082,492 541,246 270,623 811,870 405,935 1,217,806 608,903 1,826,710 913,355 2,740,066 1,370,033 4,110,100 2,055,050 1,027,525 3,082,576 1,541,288 770,644 385,322 192,661 577,984 288,992 144,496 72,248 36,124 18,062 9,031 27,094 13,547 40,642 20,321 60,964 30,482 15,241 45,724 22,862 11,431 34,294 17,147 51,442 25,721 77,164 38,582 19,291 57,874 28,937 86,812 43,406 21,703 65,110 32,555 97,666 48,833 146,500 73,250 36,625 109,876 54,938 27,469

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