2² × 3 × 13 × 823

Prime Factor Structure

Factorization String 2^2 × 3 × 13 × 823

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 323,008

Proper Divisor Sum 194,620

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #128377 ← → #128389

1 2 3 4 6 12 13 26 39 52 78 156 823 1,646 2,469 3,292 4,938 9,876 10,699 21,398 32,097 42,796 64,194 128,388

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

128,388 64,194 32,097 96,292 48,146 24,073 72,220 36,110 18,055 54,166 27,083 81,250 40,625 121,876 60,938 30,469 91,408 45,704 22,852 11,426 5,713 17,140 8,570 4,285 12,856 6,428 3,214 1,607 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

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