2³ × 13² × 107 × 149

Prime Factor Structure

Factorization String 2^3 × 13^2 × 107 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 44,469,000

Proper Divisor Sum 22,914,064

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #21554927 ← → #21554947

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

21,554,936 10,777,468 5,388,734 2,694,367 8,083,102 4,041,551 12,124,654 6,062,327 18,186,982 9,093,491 27,280,474 13,640,237 40,920,712 20,460,356 10,230,178 5,115,089 15,345,268 7,672,634 3,836,317 11,508,952 5,754,476 2,877,238 1,438,619 4,315,858 2,157,929 6,473,788 3,236,894 1,618,447 4,855,342 2,427,671 7,283,014 3,641,507 10,924,522 5,462,261 16,386,784 8,193,392 4,096,696 2,048,348 1,024,174 512,087 1,536,262 768,131 2,304,394 1,152,197 3,456,592 1,728,296 864,148 432,074 216,037 648,112 324,056 162,028 81,014 40,507 121,522 60,761 182,284 91,142 45,571 136,714

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