7² × 13

Prime Factor Structure

Factorization String 7^2 × 13

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 798

Proper Divisor Sum 161

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #631 ← → #641

1 7 13 49 91 637

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

637 1,912 956 478 239 718 359 1,078 539 1,618 809 2,428 1,214 607 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 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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