λ
Ratio Atlas

5,201,621

5201621
Deficient Odd Prime

5,201,621 factors as 5201621. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 188 steps.

Prime Factor Structure

Factorization String 5201621
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 5,201,622
Proper Divisor Sum 1
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #5201593 ← → #5201627

Radix Representation

Decimal 5201621
Binary 10011110101111011010101 (23 bits)
Octal 0o23657325
Hexadecimal 0x4F5ED5

Divisor Catalog (2)

Collatz Trajectory (188 steps to reach 1)

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

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