2⁵ × 571 × 1171

Prime Factor Structure

Factorization String 2^5 × 571 × 1171

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 42,234,192

Proper Divisor Sum 20,837,680

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #21396511 ← → #21396533

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

21,396,512 10,698,256 5,349,128 2,674,564 1,337,282 668,641 2,005,924 1,002,962 501,481 1,504,444 752,222 376,111 1,128,334 564,167 1,692,502 846,251 2,538,754 1,269,377 3,808,132 1,904,066 952,033 2,856,100 1,428,050 714,025 2,142,076 1,071,038 535,519 1,606,558 803,279 2,409,838 1,204,919 3,614,758 1,807,379 5,422,138 2,711,069 8,133,208 4,066,604 2,033,302 1,016,651 3,049,954 1,524,977 4,574,932 2,287,466 1,143,733 3,431,200 1,715,600 857,800 428,900 214,450 107,225 321,676 160,838 80,419 241,258 120,629 361,888 180,944 90,472 45,236 22,618

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