λ
Sigma Notebook

1,964

22 × 491
Deficient Even Composite

Prime Factor Structure

Factorization String 2^2 × 491
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 3,444
Proper Divisor Sum 1,480
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #1951 ← → #1973

Radix Representation

Decimal 1964
Binary 11110101100 (11 bits)
Octal 0o3654
Hexadecimal 0x7AC

Divisor Catalog (6)

Collatz Trajectory (143 steps to reach 1)

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

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