λ
Sequence Observatory

204,368

24 × 53 × 241
Deficient Even Composite

Starting at 204,368, the Collatz iteration reaches 1 after 41 steps. The first transition is 102184; the starting value is even with 20 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 53 × 241
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 405,108
Proper Divisor Sum 200,740
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #204367 ← → #204371

Radix Representation

Decimal 204368
Binary 110001111001010000 (18 bits)
Octal 0o617120
Hexadecimal 0x31E50

Divisor Catalog (20)

1 2 4 8 16 53 106 212 241 424 482 848 964 1,928 3,856 12,773 25,546 51,092 102,184 204,368

Collatz Trajectory (41 steps to reach 1)

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

204,368 102,184 51,092 25,546 12,773 38,320 19,160 9,580 4,790 2,395 7,186 3,593 10,780 5,390 2,695 8,086 4,043 12,130 6,065 18,196 9,098 4,549 13,648 6,824 3,412 1,706 853 2,560 1,280 640 320 160 80 40 20 10 5 16 8 4 2 1

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