λ
Integer Codex

416,821

416821
Deficient Odd Prime

For 416,821, the 2 positive divisors have a total of 416,822. Removing 416,821 leaves 1, which gives the deficient classification.

Prime Factor Structure

Factorization String 416821
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 416,822
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #416797 ← → #416833

Radix Representation

Decimal 416821
Binary 1100101110000110101 (19 bits)
Octal 0o1456065
Hexadecimal 0x65C35

Divisor Catalog (2)

Collatz Trajectory (112 steps to reach 1)

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

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