3 × 7 × 43 × 991

Prime Factor Structure

Factorization String 3 × 7 × 43 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,396,736

Proper Divisor Sum 501,863

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #894871 ← → #894893

1 3 7 21 43 129 301 903 991 2,973 6,937 20,811 42,613 127,839 298,291 894,873

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

894,873 2,684,620 1,342,310 671,155 2,013,466 1,006,733 3,020,200 1,510,100 755,050 377,525 1,132,576 566,288 283,144 141,572 70,786 35,393 106,180 53,090 26,545 79,636 39,818 19,909 59,728 29,864 14,932 7,466 3,733 11,200 5,600 2,800 1,400 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958

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