2 × 149 × 263 × 269

Prime Factor Structure

Factorization String 2 × 149 × 263 × 269

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,076,000

Proper Divisor Sum 10,993,394

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21082603 ← → #21082613

1 2 149 263 269 298 526 538 39,187 40,081 70,747 78,374 80,162 141,494 10,541,303 21,082,606

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

21,082,606 10,541,303 31,623,910 15,811,955 47,435,866 23,717,933 71,153,800 35,576,900 17,788,450 8,894,225 26,682,676 13,341,338 6,670,669 20,012,008 10,006,004 5,003,002 2,501,501 7,504,504 3,752,252 1,876,126 938,063 2,814,190 1,407,095 4,221,286 2,110,643 6,331,930 3,165,965 9,497,896 4,748,948 2,374,474 1,187,237 3,561,712 1,780,856 890,428 445,214 222,607 667,822 333,911 1,001,734 500,867 1,502,602 751,301 2,253,904 1,126,952 563,476 281,738 140,869 422,608 211,304 105,652 52,826 26,413 79,240 39,620 19,810 9,905 29,716 14,858 7,429 22,288

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