3 × 7 × 47 × 523

Prime Factor Structure

Factorization String 3 × 7 × 47 × 523

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 804,864

Proper Divisor Sum 288,663

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #516199 ← → #516209

1 3 7 21 47 141 329 523 987 1,569 3,661 10,983 24,581 73,743 172,067 516,201

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

516,201 1,548,604 774,302 387,151 1,161,454 580,727 1,742,182 871,091 2,613,274 1,306,637 3,919,912 1,959,956 979,978 489,989 1,469,968 734,984 367,492 183,746 91,873 275,620 137,810 68,905 206,716 103,358 51,679 155,038 77,519 232,558 116,279 348,838 174,419 523,258 261,629 784,888 392,444 196,222 98,111 294,334 147,167 441,502 220,751 662,254 331,127 993,382 496,691 1,490,074 745,037 2,235,112 1,117,556 558,778 279,389 838,168 419,084 209,542 104,771 314,314 157,157 471,472 235,736 117,868

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