λ
Ratio Atlas

2,157,489

33 × 79907
Deficient Odd Composite

Prime Factor Structure

Factorization String 3^3 × 79907
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,196,320
Proper Divisor Sum 1,038,831
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #2157481 ← → #2157499

Radix Representation

Decimal 2157489
Binary 1000001110101110110001 (22 bits)
Octal 0o10165661
Hexadecimal 0x20EBB1

Divisor Catalog (8)

Collatz Trajectory (117 steps to reach 1)

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

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