3 × 7 × 11 × 991

Prime Factor Structure

Factorization String 3 × 7 × 11 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 380,928

Proper Divisor Sum 152,007

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #228913 ← → #228923

1 3 7 11 21 33 77 231 991 2,973 6,937 10,901 20,811 32,703 76,307 228,921

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

228,921 686,764 343,382 171,691 515,074 257,537 772,612 386,306 193,153 579,460 289,730 144,865 434,596 217,298 108,649 325,948 162,974 81,487 244,462 122,231 366,694 183,347 550,042 275,021 825,064 412,532 206,266 103,133 309,400 154,700 77,350 38,675 116,026 58,013 174,040 87,020 43,510 21,755 65,266 32,633 97,900 48,950 24,475 73,426 36,713 110,140 55,070 27,535 82,606 41,303 123,910 61,955 185,866 92,933 278,800 139,400 69,700 34,850 17,425 52,276

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