3 × 71 × 181 × 409

Prime Factor Structure

Factorization String 3 × 71 × 181 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 21,490,560

Proper Divisor Sum 5,722,383

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #15768173 ← → #15768187

1 3 71 181 213 409 543 1,227 12,851 29,039 38,553 74,029 87,117 222,087 5,256,059 15,768,177

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

15,768,177 47,304,532 23,652,266 11,826,133 35,478,400 17,739,200 8,869,600 4,434,800 2,217,400 1,108,700 554,350 277,175 831,526 415,763 1,247,290 623,645 1,870,936 935,468 467,734 233,867 701,602 350,801 1,052,404 526,202 263,101 789,304 394,652 197,326 98,663 295,990 147,995 443,986 221,993 665,980 332,990 166,495 499,486 249,743 749,230 374,615 1,123,846 561,923 1,685,770 842,885 2,528,656 1,264,328 632,164 316,082 158,041 474,124 237,062 118,531 355,594 177,797 533,392 266,696 133,348 66,674 33,337 100,012

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