λ
Ratio Atlas

438,091

438091
Deficient Odd Prime

438,091 factors as 438091. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 156 steps.

Prime Factor Structure

Factorization String 438091
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 438,092
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #438049 ← → #438131

Radix Representation

Decimal 438091
Binary 1101010111101001011 (19 bits)
Octal 0o1527513
Hexadecimal 0x6AF4B

Divisor Catalog (2)

Collatz Trajectory (156 steps to reach 1)

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

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