3 × 5 × 79 × 257

Prime Factor Structure

Factorization String 3 × 5 × 79 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 495,360

Proper Divisor Sum 190,815

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #304541 ← → #304553

1 3 5 15 79 237 257 395 771 1,185 1,285 3,855 20,303 60,909 101,515 304,545

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

304,545 913,636 456,818 228,409 685,228 342,614 171,307 513,922 256,961 770,884 385,442 192,721 578,164 289,082 144,541 433,624 216,812 108,406 54,203 162,610 81,305 243,916 121,958 60,979 182,938 91,469 274,408 137,204 68,602 34,301 102,904 51,452 25,726 12,863 38,590 19,295 57,886 28,943 86,830 43,415 130,246 65,123 195,370 97,685 293,056 146,528 73,264 36,632 18,316 9,158 4,579 13,738 6,869 20,608 10,304 5,152 2,576 1,288 644 322

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