λ
Sequence Observatory

2,797,669

7 × 399667
Deficient Odd Composite

Starting at 2,797,669, the Collatz iteration reaches 1 after 231 steps. The first transition is 8393008; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 399667
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,197,344
Proper Divisor Sum 399,675
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #2797667 ← → #2797679

Radix Representation

Decimal 2797669
Binary 1010101011000001100101 (22 bits)
Octal 0o12530145
Hexadecimal 0x2AB065

Divisor Catalog (4)

1 7 399,667 2,797,669

Collatz Trajectory (231 steps to reach 1)

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

2,797,669 8,393,008 4,196,504 2,098,252 1,049,126 524,563 1,573,690 786,845 2,360,536 1,180,268 590,134 295,067 885,202 442,601 1,327,804 663,902 331,951 995,854 497,927 1,493,782 746,891 2,240,674 1,120,337 3,361,012 1,680,506 840,253 2,520,760 1,260,380 630,190 315,095 945,286 472,643 1,417,930 708,965 2,126,896 1,063,448 531,724 265,862 132,931 398,794 199,397 598,192 299,096 149,548 74,774 37,387 112,162 56,081 168,244 84,122 42,061 126,184 63,092 31,546 15,773 47,320 23,660 11,830 5,915 17,746

More profiles

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