λ
Ratio Atlas

20,929,331

20929331
Deficient Odd Prime

20,929,331 factors as 20929331. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 190 steps.

Prime Factor Structure

Factorization String 20929331
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 20,929,332
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #20929297 ← → #20929339

Radix Representation

Decimal 20929331
Binary 1001111110101101100110011 (25 bits)
Octal 0o117655463
Hexadecimal 0x13F5B33

Divisor Catalog (2)

Collatz Trajectory (190 steps to reach 1)

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

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