λ
Sequence Observatory

9,547,621

9547621
Deficient Odd Prime

Starting at 9,547,621, the Collatz iteration reaches 1 after 70 steps. The first transition is 28642864; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 9547621
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 9,547,622
Proper Divisor Sum 1
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #9547609 ← → #9547639

Radix Representation

Decimal 9547621
Binary 100100011010111101100101 (24 bits)
Octal 0o44327545
Hexadecimal 0x91AF65

Divisor Catalog (2)

1 9,547,621

Collatz Trajectory (70 steps to reach 1)

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

9,547,621 28,642,864 14,321,432 7,160,716 3,580,358 1,790,179 5,370,538 2,685,269 8,055,808 4,027,904 2,013,952 1,006,976 503,488 251,744 125,872 62,936 31,468 15,734 7,867 23,602 11,801 35,404 17,702 8,851 26,554 13,277 39,832 19,916 9,958 4,979 14,938 7,469 22,408 11,204 5,602 2,801 8,404 4,202 2,101 6,304 3,152 1,576 788 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52

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