3 × 11 × 251 × 521

Prime Factor Structure

Factorization String 3 × 11 × 251 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,314,112

Proper Divisor Sum 1,998,669

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #4315439 ← → #4315453

1 3 11 33 251 521 753 1,563 2,761 5,731 8,283 17,193 130,771 392,313 1,438,481 4,315,443

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

4,315,443 12,946,330 6,473,165 19,419,496 9,709,748 4,854,874 2,427,437 7,282,312 3,641,156 1,820,578 910,289 2,730,868 1,365,434 682,717 2,048,152 1,024,076 512,038 256,019 768,058 384,029 1,152,088 576,044 288,022 144,011 432,034 216,017 648,052 324,026 162,013 486,040 243,020 121,510 60,755 182,266 91,133 273,400 136,700 68,350 34,175 102,526 51,263 153,790 76,895 230,686 115,343 346,030 173,015 519,046 259,523 778,570 389,285 1,167,856 583,928 291,964 145,982 72,991 218,974 109,487 328,462 164,231

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