λ
Ratio Atlas

15,756,551

15756551
Deficient Odd Prime

15,756,551 factors as 15756551. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 200 steps.

Prime Factor Structure

Factorization String 15756551
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 15,756,552
Proper Divisor Sum 1
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #15756547 ← → #15756557

Radix Representation

Decimal 15756551
Binary 111100000110110100000111 (24 bits)
Octal 0o74066407
Hexadecimal 0xF06D07

Divisor Catalog (2)

Collatz Trajectory (200 steps to reach 1)

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

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