2³ × 11 × 433 × 557

Prime Factor Structure

Factorization String 2^3 × 11 × 433 × 557

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 43,590,960

Proper Divisor Sum 22,367,032

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #21223927 ← → #21223957

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

21,223,928 10,611,964 5,305,982 2,652,991 7,958,974 3,979,487 11,938,462 5,969,231 17,907,694 8,953,847 26,861,542 13,430,771 40,292,314 20,146,157 60,438,472 30,219,236 15,109,618 7,554,809 22,664,428 11,332,214 5,666,107 16,998,322 8,499,161 25,497,484 12,748,742 6,374,371 19,123,114 9,561,557 28,684,672 14,342,336 7,171,168 3,585,584 1,792,792 896,396 448,198 224,099 672,298 336,149 1,008,448 504,224 252,112 126,056 63,028 31,514 15,757 47,272 23,636 11,818 5,909 17,728 8,864 4,432 2,216 1,108 554 277 832 416 208 104

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