λ
Modular Archive

201,845

5 × 7 × 73 × 79
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 7 × 73 × 79
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 284,160
Proper Divisor Sum 82,315
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #201833 ← → #201847

Radix Representation

Decimal 201845
Binary 110001010001110101 (18 bits)
Octal 0o612165
Hexadecimal 0x31475

Divisor Catalog (16)

Collatz Trajectory (67 steps to reach 1)

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

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