λ
Ratio Atlas

5,221,001

5221001
Deficient Odd Prime

5,221,001 factors as 5221001. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 219 steps.

Prime Factor Structure

Factorization String 5221001
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 5,221,002
Proper Divisor Sum 1
Digit Sum / Digital Root 11 (Root: 2)
Adjacent Primes #5220997 ← → #5221003

Radix Representation

Decimal 5221001
Binary 10011111010101010001001 (23 bits)
Octal 0o23725211
Hexadecimal 0x4FAA89

Divisor Catalog (2)

Collatz Trajectory (219 steps to reach 1)

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

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