λ
Modular Archive

243,157

243157
Deficient Odd Prime

Prime Factor Structure

Factorization String 243157
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 243,158
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #243149 ← → #243161

Radix Representation

Decimal 243157
Binary 111011010111010101 (18 bits)
Octal 0o732725
Hexadecimal 0x3B5D5

Divisor Catalog (2)

Collatz Trajectory (75 steps to reach 1)

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

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