λ
Modular Archive

690,127

690127
Deficient Odd Prime

Prime Factor Structure

Factorization String 690127
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 690,128
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #690119 ← → #690139

Radix Representation

Decimal 690127
Binary 10101000011111001111 (20 bits)
Octal 0o2503717
Hexadecimal 0xA87CF

Divisor Catalog (2)

Collatz Trajectory (136 steps to reach 1)

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

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