λ
Sequence Observatory

12,059

31 × 389
Deficient Odd Composite

Starting at 12,059, the Collatz iteration reaches 1 after 187 steps. The first transition is 36178; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 31 × 389
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 12,480
Proper Divisor Sum 421
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #12049 ← → #12071

Radix Representation

Decimal 12059
Binary 10111100011011 (14 bits)
Octal 0o27433
Hexadecimal 0x2F1B

Divisor Catalog (4)

Collatz Trajectory (187 steps to reach 1)

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

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