3 × 13 × 17 × 19 × 53

Prime Factor Structure

Factorization String 3 × 13 × 17 × 19 × 53

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,088,640

Proper Divisor Sum 420,999

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #667631 ← → #667643

1 3 13 17 19 39 51 53 57 159 221 247 323 663 689 741 901 969 1,007 2,067 2,703 3,021 4,199 11,713 12,597 13,091 17,119 35,139 39,273 51,357 222,547 667,641

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

667,641 2,002,924 1,001,462 500,731 1,502,194 751,097 2,253,292 1,126,646 563,323 1,689,970 844,985 2,534,956 1,267,478 633,739 1,901,218 950,609 2,851,828 1,425,914 712,957 2,138,872 1,069,436 534,718 267,359 802,078 401,039 1,203,118 601,559 1,804,678 902,339 2,707,018 1,353,509 4,060,528 2,030,264 1,015,132 507,566 253,783 761,350 380,675 1,142,026 571,013 1,713,040 856,520 428,260 214,130 107,065 321,196 160,598 80,299 240,898 120,449 361,348 180,674 90,337 271,012 135,506 67,753 203,260 101,630 50,815 152,446

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