λ
Sequence Observatory

6,279,571

211 × 29761
Deficient Odd Composite

Starting at 6,279,571, the Collatz iteration reaches 1 after 165 steps. The first transition is 18838714; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 211 × 29761
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,309,544
Proper Divisor Sum 29,973
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #6279569 ← → #6279617

Radix Representation

Decimal 6279571
Binary 10111111101000110010011 (23 bits)
Octal 0o27750623
Hexadecimal 0x5FD193

Divisor Catalog (4)

1 211 29,761 6,279,571

Collatz Trajectory (165 steps to reach 1)

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

6,279,571 18,838,714 9,419,357 28,258,072 14,129,036 7,064,518 3,532,259 10,596,778 5,298,389 15,895,168 7,947,584 3,973,792 1,986,896 993,448 496,724 248,362 124,181 372,544 186,272 93,136 46,568 23,284 11,642 5,821 17,464 8,732 4,366 2,183 6,550 3,275 9,826 4,913 14,740 7,370 3,685 11,056 5,528 2,764 1,382 691 2,074 1,037 3,112 1,556 778 389 1,168 584 292 146 73 220 110 55 166 83 250 125 376 188

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