λ
Ratio Atlas

897,191

897191
Deficient Odd Prime

897,191 factors as 897191. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 263 steps.

Prime Factor Structure

Factorization String 897191
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 897,192
Proper Divisor Sum 1
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #897163 ← → #897223

Radix Representation

Decimal 897191
Binary 11011011000010100111 (20 bits)
Octal 0o3330247
Hexadecimal 0xDB0A7

Divisor Catalog (2)

Collatz Trajectory (263 steps to reach 1)

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

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