λ
Sequence Observatory

7,030,331

7 × 11 × 91303
Deficient Odd Composite

Starting at 7,030,331, the Collatz iteration reaches 1 after 191 steps. The first transition is 21090994; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 7 × 11 × 91303
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,765,184
Proper Divisor Sum 1,734,853
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #7030319 ← → #7030343

Radix Representation

Decimal 7030331
Binary 11010110100011000111011 (23 bits)
Octal 0o32643073
Hexadecimal 0x6B463B

Divisor Catalog (8)

1 7 11 77 91,303 639,121 1,004,333 7,030,331

Collatz Trajectory (191 steps to reach 1)

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

7,030,331 21,090,994 10,545,497 31,636,492 15,818,246 7,909,123 23,727,370 11,863,685 35,591,056 17,795,528 8,897,764 4,448,882 2,224,441 6,673,324 3,336,662 1,668,331 5,004,994 2,502,497 7,507,492 3,753,746 1,876,873 5,630,620 2,815,310 1,407,655 4,222,966 2,111,483 6,334,450 3,167,225 9,501,676 4,750,838 2,375,419 7,126,258 3,563,129 10,689,388 5,344,694 2,672,347 8,017,042 4,008,521 12,025,564 6,012,782 3,006,391 9,019,174 4,509,587 13,528,762 6,764,381 20,293,144 10,146,572 5,073,286 2,536,643 7,609,930 3,804,965 11,414,896 5,707,448 2,853,724 1,426,862 713,431 2,140,294 1,070,147 3,210,442 1,605,221

More profiles

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