λ
Ratio Atlas

20,173,471

20173471
Deficient Odd Prime

20,173,471 factors as 20173471. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 252 steps.

Prime Factor Structure

Factorization String 20173471
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 20,173,472
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #20173469 ← → #20173513

Radix Representation

Decimal 20173471
Binary 1001100111101001010011111 (25 bits)
Octal 0o114751237
Hexadecimal 0x133D29F

Divisor Catalog (2)

Collatz Trajectory (252 steps to reach 1)

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

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