5 × 31 × 137 × 157

Prime Factor Structure

Factorization String 5 × 31 × 137 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,186,368

Proper Divisor Sum 852,473

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #3333893 ← → #3333901

1 5 31 137 155 157 685 785 4,247 4,867 21,235 21,509 24,335 107,545 666,779 3,333,895

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

3,333,895 10,001,686 5,000,843 15,002,530 7,501,265 22,503,796 11,251,898 5,625,949 16,877,848 8,438,924 4,219,462 2,109,731 6,329,194 3,164,597 9,493,792 4,746,896 2,373,448 1,186,724 593,362 296,681 890,044 445,022 222,511 667,534 333,767 1,001,302 500,651 1,501,954 750,977 2,252,932 1,126,466 563,233 1,689,700 844,850 422,425 1,267,276 633,638 316,819 950,458 475,229 1,425,688 712,844 356,422 178,211 534,634 267,317 801,952 400,976 200,488 100,244 50,122 25,061 75,184 37,592 18,796 9,398 4,699 14,098 7,049 21,148

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