2² × 13² × 431

Prime Factor Structure

Factorization String 2^2 × 13^2 × 431

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 553,392

Proper Divisor Sum 262,036

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #291349 ← → #291359

1 2 4 13 26 52 169 338 431 676 862 1,724 5,603 11,206 22,412 72,839 145,678 291,356

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

291,356 145,678 72,839 218,518 109,259 327,778 163,889 491,668 245,834 122,917 368,752 184,376 92,188 46,094 23,047 69,142 34,571 103,714 51,857 155,572 77,786 38,893 116,680 58,340 29,170 14,585 43,756 21,878 10,939 32,818 16,409 49,228 24,614 12,307 36,922 18,461 55,384 27,692 13,846 6,923 20,770 10,385 31,156 15,578 7,789 23,368 11,684 5,842 2,921 8,764 4,382 2,191 6,574 3,287 9,862 4,931 14,794 7,397 22,192 11,096

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