λ
Sequence Observatory

7,250,785

5 × 1450157
Deficient Odd Composite

Starting at 7,250,785, the Collatz iteration reaches 1 after 248 steps. The first transition is 21752356; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 1450157
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,700,948
Proper Divisor Sum 1,450,163
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #7250777 ← → #7250791

Radix Representation

Decimal 7250785
Binary 11011101010001101100001 (23 bits)
Octal 0o33521541
Hexadecimal 0x6EA361

Divisor Catalog (4)

1 5 1,450,157 7,250,785

Collatz Trajectory (248 steps to reach 1)

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

7,250,785 21,752,356 10,876,178 5,438,089 16,314,268 8,157,134 4,078,567 12,235,702 6,117,851 18,353,554 9,176,777 27,530,332 13,765,166 6,882,583 20,647,750 10,323,875 30,971,626 15,485,813 46,457,440 23,228,720 11,614,360 5,807,180 2,903,590 1,451,795 4,355,386 2,177,693 6,533,080 3,266,540 1,633,270 816,635 2,449,906 1,224,953 3,674,860 1,837,430 918,715 2,756,146 1,378,073 4,134,220 2,067,110 1,033,555 3,100,666 1,550,333 4,651,000 2,325,500 1,162,750 581,375 1,744,126 872,063 2,616,190 1,308,095 3,924,286 1,962,143 5,886,430 2,943,215 8,829,646 4,414,823 13,244,470 6,622,235 19,866,706 9,933,353

More profiles

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