2³ × 3 × 26821

Prime Factor Structure

Factorization String 2^3 × 3 × 26821

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,609,320

Proper Divisor Sum 965,616

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #643703 ← → #643723

1 2 3 4 6 8 12 24 26,821 53,642 80,463 107,284 160,926 214,568 321,852 643,704

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

643,704 321,852 160,926 80,463 241,390 120,695 362,086 181,043 543,130 271,565 814,696 407,348 203,674 101,837 305,512 152,756 76,378 38,189 114,568 57,284 28,642 14,321 42,964 21,482 10,741 32,224 16,112 8,056 4,028 2,014 1,007 3,022 1,511 4,534 2,267 6,802 3,401 10,204 5,102 2,551 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090

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