λ
Ratio Atlas

2,021,251

2021251
Deficient Odd Prime

2,021,251 factors as 2021251. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 184 steps.

Prime Factor Structure

Factorization String 2021251
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 2,021,252
Proper Divisor Sum 1
Digit Sum / Digital Root 13 (Root: 4)
Adjacent Primes #2021237 ← → #2021291

Radix Representation

Decimal 2021251
Binary 111101101011110000011 (21 bits)
Octal 0o7553603
Hexadecimal 0x1ED783

Divisor Catalog (2)

Collatz Trajectory (184 steps to reach 1)

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

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