λ
Prime Ledger

213,247

213247
Deficient Odd Prime

213,247 has the prime decomposition 213247. Its 1 distinct prime factor produce 2 positive divisors.

Prime Factor Structure

Factorization String 213247
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 213,248
Proper Divisor Sum 1
Digit Sum / Digital Root 19 (Root: 1)
Adjacent Primes #213229 ← → #213253

Radix Representation

Decimal 213247
Binary 110100000011111111 (18 bits)
Octal 0o640377
Hexadecimal 0x340FF

Divisor Catalog (2)

Collatz Trajectory (129 steps to reach 1)

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

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