λ
Sequence Observatory

8,175,889

113 × 72353
Deficient Odd Composite

Starting at 8,175,889, the Collatz iteration reaches 1 after 199 steps. The first transition is 24527668; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 113 × 72353
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,248,356
Proper Divisor Sum 72,467
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #8175887 ← → #8175899

Radix Representation

Decimal 8175889
Binary 11111001100000100010001 (23 bits)
Octal 0o37140421
Hexadecimal 0x7CC111

Divisor Catalog (4)

1 113 72,353 8,175,889

Collatz Trajectory (199 steps to reach 1)

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

8,175,889 24,527,668 12,263,834 6,131,917 18,395,752 9,197,876 4,598,938 2,299,469 6,898,408 3,449,204 1,724,602 862,301 2,586,904 1,293,452 646,726 323,363 970,090 485,045 1,455,136 727,568 363,784 181,892 90,946 45,473 136,420 68,210 34,105 102,316 51,158 25,579 76,738 38,369 115,108 57,554 28,777 86,332 43,166 21,583 64,750 32,375 97,126 48,563 145,690 72,845 218,536 109,268 54,634 27,317 81,952 40,976 20,488 10,244 5,122 2,561 7,684 3,842 1,921 5,764 2,882 1,441

More profiles

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