λ
Sequence Observatory

884,689

13 × 68053
Deficient Odd Composite

Starting at 884,689, the Collatz iteration reaches 1 after 157 steps. The first transition is 2654068; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 13 × 68053
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 952,756
Proper Divisor Sum 68,067
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #884669 ← → #884693

Radix Representation

Decimal 884689
Binary 11010111111111010001 (20 bits)
Octal 0o3277721
Hexadecimal 0xD7FD1

Divisor Catalog (4)

1 13 68,053 884,689

Collatz Trajectory (157 steps to reach 1)

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

884,689 2,654,068 1,327,034 663,517 1,990,552 995,276 497,638 248,819 746,458 373,229 1,119,688 559,844 279,922 139,961 419,884 209,942 104,971 314,914 157,457 472,372 236,186 118,093 354,280 177,140 88,570 44,285 132,856 66,428 33,214 16,607 49,822 24,911 74,734 37,367 112,102 56,051 168,154 84,077 252,232 126,116 63,058 31,529 94,588 47,294 23,647 70,942 35,471 106,414 53,207 159,622 79,811 239,434 119,717 359,152 179,576 89,788 44,894 22,447 67,342 33,671

More profiles

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