λ
Sequence Observatory

8,169,251

151 × 54101
Deficient Odd Composite

Starting at 8,169,251, the Collatz iteration reaches 1 after 186 steps. The first transition is 24507754; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 151 × 54101
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,223,504
Proper Divisor Sum 54,253
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #8169247 ← → #8169253

Radix Representation

Decimal 8169251
Binary 11111001010011100100011 (23 bits)
Octal 0o37123443
Hexadecimal 0x7CA723

Divisor Catalog (4)

1 151 54,101 8,169,251

Collatz Trajectory (186 steps to reach 1)

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

8,169,251 24,507,754 12,253,877 36,761,632 18,380,816 9,190,408 4,595,204 2,297,602 1,148,801 3,446,404 1,723,202 861,601 2,584,804 1,292,402 646,201 1,938,604 969,302 484,651 1,453,954 726,977 2,180,932 1,090,466 545,233 1,635,700 817,850 408,925 1,226,776 613,388 306,694 153,347 460,042 230,021 690,064 345,032 172,516 86,258 43,129 129,388 64,694 32,347 97,042 48,521 145,564 72,782 36,391 109,174 54,587 163,762 81,881 245,644 122,822 61,411 184,234 92,117 276,352 138,176 69,088 34,544 17,272 8,636

More profiles

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