λ
Sequence Observatory

8,275,381

8275381
Deficient Odd Prime

Starting at 8,275,381, the Collatz iteration reaches 1 after 168 steps. The first transition is 24826144; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 8275381
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 8,275,382
Proper Divisor Sum 1
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #8275369 ← → #8275391

Radix Representation

Decimal 8275381
Binary 11111100100010110110101 (23 bits)
Octal 0o37442665
Hexadecimal 0x7E45B5

Divisor Catalog (2)

Collatz Trajectory (168 steps to reach 1)

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

8,275,381 24,826,144 12,413,072 6,206,536 3,103,268 1,551,634 775,817 2,327,452 1,163,726 581,863 1,745,590 872,795 2,618,386 1,309,193 3,927,580 1,963,790 981,895 2,945,686 1,472,843 4,418,530 2,209,265 6,627,796 3,313,898 1,656,949 4,970,848 2,485,424 1,242,712 621,356 310,678 155,339 466,018 233,009 699,028 349,514 174,757 524,272 262,136 131,068 65,534 32,767 98,302 49,151 147,454 73,727 221,182 110,591 331,774 165,887 497,662 248,831 746,494 373,247 1,119,742 559,871 1,679,614 839,807 2,519,422 1,259,711 3,779,134 1,889,567

More profiles

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