λ
Ratio Atlas

15,212,257

15212257
Deficient Odd Prime

Prime Factor Structure

Factorization String 15212257
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 15,212,258
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #15212243 ← → #15212261

Radix Representation

Decimal 15212257
Binary 111010000001111011100001 (24 bits)
Octal 0o72017341
Hexadecimal 0xE81EE1

Divisor Catalog (2)

Collatz Trajectory (218 steps to reach 1)

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

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