3 × 7 × 11² × 157

Prime Factor Structure

Factorization String 3 × 7 × 11^2 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 672,448

Proper Divisor Sum 273,511

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #398933 ← → #398941

1 3 7 11 21 33 77 121 157 231 363 471 847 1,099 1,727 2,541 3,297 5,181 12,089 18,997 36,267 56,991 132,979 398,937

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

398,937 1,196,812 598,406 299,203 897,610 448,805 1,346,416 673,208 336,604 168,302 84,151 252,454 126,227 378,682 189,341 568,024 284,012 142,006 71,003 213,010 106,505 319,516 159,758 79,879 239,638 119,819 359,458 179,729 539,188 269,594 134,797 404,392 202,196 101,098 50,549 151,648 75,824 37,912 18,956 9,478 4,739 14,218 7,109 21,328 10,664 5,332 2,666 1,333 4,000 2,000 1,000 500 250 125 376 188 94 47 142 71

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