λ
Ratio Atlas

53,290,021

53290021
Deficient Odd Prime

53,290,021 factors as 53290021. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 137 steps.

Prime Factor Structure

Factorization String 53290021
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 53,290,022
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #53289997 ← → #53290031

Radix Representation

Decimal 53290021
Binary 11001011010010010000100101 (26 bits)
Octal 0o313222045
Hexadecimal 0x32D2425

Divisor Catalog (2)

Collatz Trajectory (137 steps to reach 1)

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

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