λ
Sequence Observatory

8,071,397

359 × 22483
Deficient Odd Composite

Starting at 8,071,397, the Collatz iteration reaches 1 after 142 steps. The first transition is 24214192; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 359 × 22483
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,094,240
Proper Divisor Sum 22,843
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #8071387 ← → #8071411

Radix Representation

Decimal 8071397
Binary 11110110010100011100101 (23 bits)
Octal 0o36624345
Hexadecimal 0x7B28E5

Divisor Catalog (4)

1 359 22,483 8,071,397

Collatz Trajectory (142 steps to reach 1)

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

8,071,397 24,214,192 12,107,096 6,053,548 3,026,774 1,513,387 4,540,162 2,270,081 6,810,244 3,405,122 1,702,561 5,107,684 2,553,842 1,276,921 3,830,764 1,915,382 957,691 2,873,074 1,436,537 4,309,612 2,154,806 1,077,403 3,232,210 1,616,105 4,848,316 2,424,158 1,212,079 3,636,238 1,818,119 5,454,358 2,727,179 8,181,538 4,090,769 12,272,308 6,136,154 3,068,077 9,204,232 4,602,116 2,301,058 1,150,529 3,451,588 1,725,794 862,897 2,588,692 1,294,346 647,173 1,941,520 970,760 485,380 242,690 121,345 364,036 182,018 91,009 273,028 136,514 68,257 204,772 102,386 51,193

More profiles

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