λ
Ratio Atlas

15,180,331

15180331
Deficient Odd Prime

15,180,331 factors as 15180331. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 104 steps.

Prime Factor Structure

Factorization String 15180331
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 15,180,332
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #15180301 ← → #15180343

Radix Representation

Decimal 15180331
Binary 111001111010001000101011 (24 bits)
Octal 0o71721053
Hexadecimal 0xE7A22B

Divisor Catalog (2)

Collatz Trajectory (104 steps to reach 1)

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

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