2³ × 7 × 61 × 641

Prime Factor Structure

Factorization String 2^3 × 7 × 61 × 641

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 4,776,480

Proper Divisor Sum 2,586,824

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #2189647 ← → #2189699

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

2,189,656 1,094,828 547,414 273,707 821,122 410,561 1,231,684 615,842 307,921 923,764 461,882 230,941 692,824 346,412 173,206 86,603 259,810 129,905 389,716 194,858 97,429 292,288 146,144 73,072 36,536 18,268 9,134 4,567 13,702 6,851 20,554 10,277 30,832 15,416 7,708 3,854 1,927 5,782 2,891 8,674 4,337 13,012 6,506 3,253 9,760 4,880 2,440 1,220 610 305 916 458 229 688 344 172 86 43 130 65

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