λ
Sequence Observatory

8,064,005

5 × 43 × 37507
Deficient Odd Composite

Starting at 8,064,005, the Collatz iteration reaches 1 after 93 steps. The first transition is 24192016; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 43 × 37507
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,902,112
Proper Divisor Sum 1,838,107
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #8063989 ← → #8064011

Radix Representation

Decimal 8064005
Binary 11110110000110000000101 (23 bits)
Octal 0o36606005
Hexadecimal 0x7B0C05

Divisor Catalog (8)

1 5 43 215 37,507 187,535 1,612,801 8,064,005

Collatz Trajectory (93 steps to reach 1)

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

8,064,005 24,192,016 12,096,008 6,048,004 3,024,002 1,512,001 4,536,004 2,268,002 1,134,001 3,402,004 1,701,002 850,501 2,551,504 1,275,752 637,876 318,938 159,469 478,408 239,204 119,602 59,801 179,404 89,702 44,851 134,554 67,277 201,832 100,916 50,458 25,229 75,688 37,844 18,922 9,461 28,384 14,192 7,096 3,548 1,774 887 2,662 1,331 3,994 1,997 5,992 2,996 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476 238

More profiles

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