13 × 223 × 6961

Prime Factor Structure

Factorization String 13 × 223 × 6961

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 21,832,832

Proper Divisor Sum 1,652,893

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #20179937 ← → #20179961

1 13 223 2,899 6,961 90,493 1,552,303 20,179,939

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

20,179,939 60,539,818 30,269,909 90,809,728 45,404,864 22,702,432 11,351,216 5,675,608 2,837,804 1,418,902 709,451 2,128,354 1,064,177 3,192,532 1,596,266 798,133 2,394,400 1,197,200 598,600 299,300 149,650 74,825 224,476 112,238 56,119 168,358 84,179 252,538 126,269 378,808 189,404 94,702 47,351 142,054 71,027 213,082 106,541 319,624 159,812 79,906 39,953 119,860 59,930 29,965 89,896 44,948 22,474 11,237 33,712 16,856 8,428 4,214 2,107 6,322 3,161 9,484 4,742 2,371 7,114 3,557

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