λ
Sequence Observatory

8,899,516

22 × 2224879
Deficient Even Composite

Starting at 8,899,516, the Collatz iteration reaches 1 after 168 steps. The first transition is 4449758; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 2224879
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 15,574,160
Proper Divisor Sum 6,674,644
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #8899489 ← → #8899531

Radix Representation

Decimal 8899516
Binary 100001111100101110111100 (24 bits)
Octal 0o41745674
Hexadecimal 0x87CBBC

Divisor Catalog (6)

1 2 4 2,224,879 4,449,758 8,899,516

Collatz Trajectory (168 steps to reach 1)

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

8,899,516 4,449,758 2,224,879 6,674,638 3,337,319 10,011,958 5,005,979 15,017,938 7,508,969 22,526,908 11,263,454 5,631,727 16,895,182 8,447,591 25,342,774 12,671,387 38,014,162 19,007,081 57,021,244 28,510,622 14,255,311 42,765,934 21,382,967 64,148,902 32,074,451 96,223,354 48,111,677 144,335,032 72,167,516 36,083,758 18,041,879 54,125,638 27,062,819 81,188,458 40,594,229 121,782,688 60,891,344 30,445,672 15,222,836 7,611,418 3,805,709 11,417,128 5,708,564 2,854,282 1,427,141 4,281,424 2,140,712 1,070,356 535,178 267,589 802,768 401,384 200,692 100,346 50,173 150,520 75,260 37,630 18,815 56,446

More profiles

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