λ
Sequence Observatory

48,921

3 × 23 × 709
Deficient Odd Composite

Starting at 48,921, the Collatz iteration reaches 1 after 127 steps. The first transition is 146764; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 23 × 709
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 68,160
Proper Divisor Sum 19,239
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #48907 ← → #48947

Radix Representation

Decimal 48921
Binary 1011111100011001 (16 bits)
Octal 0o137431
Hexadecimal 0xBF19

Divisor Catalog (8)

Collatz Trajectory (127 steps to reach 1)

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

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