7 × 13 × 17 × 401

Prime Factor Structure

Factorization String 7 × 13 × 17 × 401

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 810,432

Proper Divisor Sum 190,085

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #620329 ← → #620351

1 7 13 17 91 119 221 401 1,547 2,807 5,213 6,817 36,491 47,719 88,621 620,347

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

620,347 1,861,042 930,521 2,791,564 1,395,782 697,891 2,093,674 1,046,837 3,140,512 1,570,256 785,128 392,564 196,282 98,141 294,424 147,212 73,606 36,803 110,410 55,205 165,616 82,808 41,404 20,702 10,351 31,054 15,527 46,582 23,291 69,874 34,937 104,812 52,406 26,203 78,610 39,305 117,916 58,958 29,479 88,438 44,219 132,658 66,329 198,988 99,494 49,747 149,242 74,621 223,864 111,932 55,966 27,983 83,950 41,975 125,926 62,963 188,890 94,445 283,336 141,668

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