λ
Sigma Notebook

2,155,297

2155297
Deficient Odd Prime

2,155,297 is odd and not a perfect square. Its factorization is 2155297 and its 2 divisors sum to 2,155,298.

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Prime Factor Structure

Factorization String 2155297
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 2,155,298
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #2155291 ← → #2155319

Radix Representation

Decimal 2155297
Binary 1000001110001100100001 (22 bits)
Octal 0o10161441
Hexadecimal 0x20E321

Divisor Catalog (2)

Collatz Trajectory (210 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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