λ
Sequence Observatory

8,446,502

2 × 4223251
Deficient Even Composite

Starting at 8,446,502, the Collatz iteration reaches 1 after 181 steps. The first transition is 4223251; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4223251
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 12,669,756
Proper Divisor Sum 4,223,254
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #8446481 ← → #8446513

Radix Representation

Decimal 8446502
Binary 100000001110001000100110 (24 bits)
Octal 0o40161046
Hexadecimal 0x80E226

Divisor Catalog (4)

1 2 4,223,251 8,446,502

Collatz Trajectory (181 steps to reach 1)

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

8,446,502 4,223,251 12,669,754 6,334,877 19,004,632 9,502,316 4,751,158 2,375,579 7,126,738 3,563,369 10,690,108 5,345,054 2,672,527 8,017,582 4,008,791 12,026,374 6,013,187 18,039,562 9,019,781 27,059,344 13,529,672 6,764,836 3,382,418 1,691,209 5,073,628 2,536,814 1,268,407 3,805,222 1,902,611 5,707,834 2,853,917 8,561,752 4,280,876 2,140,438 1,070,219 3,210,658 1,605,329 4,815,988 2,407,994 1,203,997 3,611,992 1,805,996 902,998 451,499 1,354,498 677,249 2,031,748 1,015,874 507,937 1,523,812 761,906 380,953 1,142,860 571,430 285,715 857,146 428,573 1,285,720 642,860 321,430

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