2² × 5405357

Prime Factor Structure

Factorization String 2^2 × 5405357

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 37,837,506

Proper Divisor Sum 16,216,078

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #21621427 ← → #21621437

1 2 4 5,405,357 10,810,714 21,621,428

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

21,621,428 10,810,714 5,405,357 16,216,072 8,108,036 4,054,018 2,027,009 6,081,028 3,040,514 1,520,257 4,560,772 2,280,386 1,140,193 3,420,580 1,710,290 855,145 2,565,436 1,282,718 641,359 1,924,078 962,039 2,886,118 1,443,059 4,329,178 2,164,589 6,493,768 3,246,884 1,623,442 811,721 2,435,164 1,217,582 608,791 1,826,374 913,187 2,739,562 1,369,781 4,109,344 2,054,672 1,027,336 513,668 256,834 128,417 385,252 192,626 96,313 288,940 144,470 72,235 216,706 108,353 325,060 162,530 81,265 243,796 121,898 60,949 182,848 91,424 45,712 22,856

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