λ
Sequence Observatory

9,205,318

2 × 4602659
Deficient Even Composite

Starting at 9,205,318, the Collatz iteration reaches 1 after 194 steps. The first transition is 4602659; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4602659
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 13,807,980
Proper Divisor Sum 4,602,662
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #9205309 ← → #9205321

Radix Representation

Decimal 9205318
Binary 100011000111011001000110 (24 bits)
Octal 0o43073106
Hexadecimal 0x8C7646

Divisor Catalog (4)

1 2 4,602,659 9,205,318

Collatz Trajectory (194 steps to reach 1)

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

9,205,318 4,602,659 13,807,978 6,903,989 20,711,968 10,355,984 5,177,992 2,588,996 1,294,498 647,249 1,941,748 970,874 485,437 1,456,312 728,156 364,078 182,039 546,118 273,059 819,178 409,589 1,228,768 614,384 307,192 153,596 76,798 38,399 115,198 57,599 172,798 86,399 259,198 129,599 388,798 194,399 583,198 291,599 874,798 437,399 1,312,198 656,099 1,968,298 984,149 2,952,448 1,476,224 738,112 369,056 184,528 92,264 46,132 23,066 11,533 34,600 17,300 8,650 4,325 12,976 6,488 3,244 1,622

More profiles

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