2² × 3 × 7 × 2591

Prime Factor Structure

Factorization String 2^2 × 3 × 7 × 2591

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 580,608

Proper Divisor Sum 362,964

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #217643 ← → #217661

1 2 3 4 6 7 12 14 21 28 42 84 2,591 5,182 7,773 10,364 15,546 18,137 31,092 36,274 54,411 72,548 108,822 217,644

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

217,644 108,822 54,411 163,234 81,617 244,852 122,426 61,213 183,640 91,820 45,910 22,955 68,866 34,433 103,300 51,650 25,825 77,476 38,738 19,369 58,108 29,054 14,527 43,582 21,791 65,374 32,687 98,062 49,031 147,094 73,547 220,642 110,321 330,964 165,482 82,741 248,224 124,112 62,056 31,028 15,514 7,757 23,272 11,636 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384

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