7² × 13² × 37

Prime Factor Structure

Factorization String 7^2 × 13^2 × 37

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 396,378

Proper Divisor Sum 89,981

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #306389 ← → #306407

1 7 13 37 49 91 169 259 481 637 1,183 1,813 3,367 6,253 8,281 23,569 43,771 306,397

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

306,397 919,192 459,596 229,798 114,899 344,698 172,349 517,048 258,524 129,262 64,631 193,894 96,947 290,842 145,421 436,264 218,132 109,066 54,533 163,600 81,800 40,900 20,450 10,225 30,676 15,338 7,669 23,008 11,504 5,752 2,876 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325

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