13 × 17 × 19 × 359

Prime Factor Structure

Factorization String 13 × 17 × 19 × 359

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,814,400

Proper Divisor Sum 306,959

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1507439 ← → #1507453

1 13 17 19 221 247 323 359 4,199 4,667 6,103 6,821 79,339 88,673 115,957 1,507,441

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

1,507,441 4,522,324 2,261,162 1,130,581 3,391,744 1,695,872 847,936 423,968 211,984 105,992 52,996 26,498 13,249 39,748 19,874 9,937 29,812 14,906 7,453 22,360 11,180 5,590 2,795 8,386 4,193 12,580 6,290 3,145 9,436 4,718 2,359 7,078 3,539 10,618 5,309 15,928 7,964 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256 2,128 1,064 532 266

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