7 × 13 × 17 × 89

Prime Factor Structure

Factorization String 7 × 13 × 17 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 181,440

Proper Divisor Sum 43,757

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #137659 ← → #137699

1 7 13 17 89 91 119 221 623 1,157 1,513 1,547 8,099 10,591 19,669 137,683

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

137,683 413,050 206,525 619,576 309,788 154,894 77,447 232,342 116,171 348,514 174,257 522,772 261,386 130,693 392,080 196,040 98,020 49,010 24,505 73,516 36,758 18,379 55,138 27,569 82,708 41,354 20,677 62,032 31,016 15,508 7,754 3,877 11,632 5,816 2,908 1,454 727 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148

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