λ
Ratio Atlas

19,001,089

19001089
Deficient Odd Prime

19,001,089 factors as 19001089. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 125 steps.

Prime Factor Structure

Factorization String 19001089
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 19,001,090
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #19001077 ← → #19001153

Radix Representation

Decimal 19001089
Binary 1001000011110111100000001 (25 bits)
Octal 0o110367401
Hexadecimal 0x121EF01

Divisor Catalog (2)

Collatz Trajectory (125 steps to reach 1)

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

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