λ
Ratio Atlas

8,178,217

8178217
Deficient Odd Prime

8,178,217 factors as 8178217. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 336 steps.

Prime Factor Structure

Factorization String 8178217
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 8,178,218
Proper Divisor Sum 1
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #8178193 ← → #8178251

Radix Representation

Decimal 8178217
Binary 11111001100101000101001 (23 bits)
Octal 0o37145051
Hexadecimal 0x7CCA29

Divisor Catalog (2)

Collatz Trajectory (336 steps to reach 1)

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

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