λ
Ratio Atlas

15,664,237

15664237
Deficient Odd Prime

15,664,237 factors as 15664237. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 174 steps.

Prime Factor Structure

Factorization String 15664237
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 15,664,238
Proper Divisor Sum 1
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #15664223 ← → #15664249

Radix Representation

Decimal 15664237
Binary 111011110000010001101101 (24 bits)
Octal 0o73602155
Hexadecimal 0xEF046D

Divisor Catalog (2)

Collatz Trajectory (174 steps to reach 1)

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

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