2² × 3 × 13 × 521

Prime Factor Structure

Factorization String 2^2 × 3 × 13 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 204,624

Proper Divisor Sum 123,348

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #81239 ← → #81281

1 2 3 4 6 12 13 26 39 52 78 156 521 1,042 1,563 2,084 3,126 6,252 6,773 13,546 20,319 27,092 40,638 81,276

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

81,276 40,638 20,319 60,958 30,479 91,438 45,719 137,158 68,579 205,738 102,869 308,608 154,304 77,152 38,576 19,288 9,644 4,822 2,411 7,234 3,617 10,852 5,426 2,713 8,140 4,070 2,035 6,106 3,053 9,160 4,580 2,290 1,145 3,436 1,718 859 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104

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