18,065

5 × 3613

Starting at 18,065, the Collatz iteration reaches 1 after 48 steps. The first transition is 54196; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 3613

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 21,684

Proper Divisor Sum 3,619

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #18061 ← → #18077

Radix Representation

Decimal	18065
Binary	100011010010001 (15 bits)
Octal	0o43221
Hexadecimal	0x4691

Divisor Catalog (4)

1 5 3,613 18,065

Collatz Trajectory (48 steps to reach 1)

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

18,065 54,196 27,098 13,549 40,648 20,324 10,162 5,081 15,244 7,622 3,811 11,434 5,717 17,152 8,576 4,288 2,144 1,072 536 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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