2² × 3² × 19 × 421

Prime Factor Structure

Factorization String 2^2 × 3^2 × 19 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 768,040

Proper Divisor Sum 480,076

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #287939 ← → #287977

1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 421 684 842 1,263 1,684 2,526 3,789 5,052 7,578 7,999 15,156 15,998 23,997 31,996 47,994 71,991 95,988 143,982 287,964

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

287,964 143,982 71,991 215,974 107,987 323,962 161,981 485,944 242,972 121,486 60,743 182,230 91,115 273,346 136,673 410,020 205,010 102,505 307,516 153,758 76,879 230,638 115,319 345,958 172,979 518,938 259,469 778,408 389,204 194,602 97,301 291,904 145,952 72,976 36,488 18,244 9,122 4,561 13,684 6,842 3,421 10,264 5,132 2,566 1,283 3,850 1,925 5,776 2,888 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834

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