3 × 7 × 19 × 1637

Prime Factor Structure

Factorization String 3 × 7 × 19 × 1637

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,048,320

Proper Divisor Sum 395,157

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #653153 ← → #653197

1 3 7 19 21 57 133 399 1,637 4,911 11,459 31,103 34,377 93,309 217,721 653,163

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

653,163 1,959,490 979,745 2,939,236 1,469,618 734,809 2,204,428 1,102,214 551,107 1,653,322 826,661 2,479,984 1,239,992 619,996 309,998 154,999 464,998 232,499 697,498 348,749 1,046,248 523,124 261,562 130,781 392,344 196,172 98,086 49,043 147,130 73,565 220,696 110,348 55,174 27,587 82,762 41,381 124,144 62,072 31,036 15,518 7,759 23,278 11,639 34,918 17,459 52,378 26,189 78,568 39,284 19,642 9,821 29,464 14,732 7,366 3,683 11,050 5,525 16,576 8,288 4,144

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