λ
Ratio Atlas

20,160,149

20160149
Deficient Odd Prime

20,160,149 factors as 20160149. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 146 steps.

Prime Factor Structure

Factorization String 20160149
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 20,160,150
Proper Divisor Sum 1
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #20160139 ← → #20160169

Radix Representation

Decimal 20160149
Binary 1001100111001111010010101 (25 bits)
Octal 0o114717225
Hexadecimal 0x1339E95

Divisor Catalog (2)

Collatz Trajectory (146 steps to reach 1)

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

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