3² × 7 × 17 × 379

Prime Factor Structure

Factorization String 3^2 × 7 × 17 × 379

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 711,360

Proper Divisor Sum 305,451

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #405901 ← → #405917

1 3 7 9 17 21 51 63 119 153 357 379 1,071 1,137 2,653 3,411 6,443 7,959 19,329 23,877 45,101 57,987 135,303 405,909

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

405,909 1,217,728 608,864 304,432 152,216 76,108 38,054 19,027 57,082 28,541 85,624 42,812 21,406 10,703 32,110 16,055 48,166 24,083 72,250 36,125 108,376 54,188 27,094 13,547 40,642 20,321 60,964 30,482 15,241 45,724 22,862 11,431 34,294 17,147 51,442 25,721 77,164 38,582 19,291 57,874 28,937 86,812 43,406 21,703 65,110 32,555 97,666 48,833 146,500 73,250 36,625 109,876 54,938 27,469 82,408 41,204 20,602 10,301 30,904 15,452

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