3 × 29 × 31 × 571

Prime Factor Structure

Factorization String 3 × 29 × 31 × 571

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,196,480

Proper Divisor Sum 656,493

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #1539983 ← → #1539991

1 3 29 31 87 93 571 899 1,713 2,697 16,559 17,701 49,677 53,103 513,329 1,539,987

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

1,539,987 4,619,962 2,309,981 6,929,944 3,464,972 1,732,486 866,243 2,598,730 1,299,365 3,898,096 1,949,048 974,524 487,262 243,631 730,894 365,447 1,096,342 548,171 1,644,514 822,257 2,466,772 1,233,386 616,693 1,850,080 925,040 462,520 231,260 115,630 57,815 173,446 86,723 260,170 130,085 390,256 195,128 97,564 48,782 24,391 73,174 36,587 109,762 54,881 164,644 82,322 41,161 123,484 61,742 30,871 92,614 46,307 138,922 69,461 208,384 104,192 52,096 26,048 13,024 6,512 3,256 1,628

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