3 × 19 × 53 × 2521

Prime Factor Structure

Factorization String 3 × 19 × 53 × 2521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 10,895,040

Proper Divisor Sum 3,279,099

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #7615931 ← → #7615961

1 3 19 53 57 159 1,007 2,521 3,021 7,563 47,899 133,613 143,697 400,839 2,538,647 7,615,941

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

7,615,941 22,847,824 11,423,912 5,711,956 2,855,978 1,427,989 4,283,968 2,141,984 1,070,992 535,496 267,748 133,874 66,937 200,812 100,406 50,203 150,610 75,305 225,916 112,958 56,479 169,438 84,719 254,158 127,079 381,238 190,619 571,858 285,929 857,788 428,894 214,447 643,342 321,671 965,014 482,507 1,447,522 723,761 2,171,284 1,085,642 542,821 1,628,464 814,232 407,116 203,558 101,779 305,338 152,669 458,008 229,004 114,502 57,251 171,754 85,877 257,632 128,816 64,408 32,204 16,102 8,051

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