80,164

2² × 7² × 409

Prime Factor Structure

Factorization String 2^2 × 7^2 × 409

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 18

Divisor Sum (σ) 163,590

Proper Divisor Sum 83,426

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #80153 ← → #80167

1 2 4 7 14 28 49 98 196 409 818 1,636 2,863 5,726 11,452 20,041 40,082 80,164

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

80,164 40,082 20,041 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 48,833 146,500 73,250 36,625 109,876

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