λ
Harmonic Matrix

4,491,997

4491997
Deficient Odd Prime

4,491,997 has digital root 7. The neighboring primes are 4491989 and 4492003; its proper-divisor sum differs from the starting integer by -4,491,996.

Prime Factor Structure

Factorization String 4491997
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 4,491,998
Proper Divisor Sum 1
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #4491989 ← → #4492003

Radix Representation

Decimal 4491997
Binary 10001001000101011011101 (23 bits)
Octal 0o21105335
Hexadecimal 0x448ADD

Divisor Catalog (2)

Collatz Trajectory (224 steps to reach 1)

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

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