2² × 13 × 4111

Prime Factor Structure

Factorization String 2^2 × 13 × 4111

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 402,976

Proper Divisor Sum 189,204

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #213751 ← → #213791

1 2 4 13 26 52 4,111 8,222 16,444 53,443 106,886 213,772

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

213,772 106,886 53,443 160,330 80,165 240,496 120,248 60,124 30,062 15,031 45,094 22,547 67,642 33,821 101,464 50,732 25,366 12,683 38,050 19,025 57,076 28,538 14,269 42,808 21,404 10,702 5,351 16,054 8,027 24,082 12,041 36,124 18,062 9,031 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

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