λ
Sequence Observatory

5,223,858

2 × 3 × 870643
Abundant Even Composite

Starting at 5,223,858, the Collatz iteration reaches 1 after 43 steps. The first transition is 2611929; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 870643
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 10,447,728
Proper Divisor Sum 5,223,870
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #5223853 ← → #5223859

Radix Representation

Decimal 5223858
Binary 10011111011010110110010 (23 bits)
Octal 0o23732662
Hexadecimal 0x4FB5B2

Divisor Catalog (8)

1 2 3 6 870,643 1,741,286 2,611,929 5,223,858

Collatz Trajectory (43 steps to reach 1)

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

5,223,858 2,611,929 7,835,788 3,917,894 1,958,947 5,876,842 2,938,421 8,815,264 4,407,632 2,203,816 1,101,908 550,954 275,477 826,432 413,216 206,608 103,304 51,652 25,826 12,913 38,740 19,370 9,685 29,056 14,528 7,264 3,632 1,816 908 454 227 682 341 1,024 512 256 128 64 32 16 8 4 2 1

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