λ
Sequence Observatory

8,746,579

1217 × 7187
Deficient Odd Composite

Starting at 8,746,579, the Collatz iteration reaches 1 after 230 steps. The first transition is 26239738; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 1217 × 7187
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,754,984
Proper Divisor Sum 8,405
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #8746519 ← → #8746609

Radix Representation

Decimal 8746579
Binary 100001010111011001010011 (24 bits)
Octal 0o41273123
Hexadecimal 0x857653

Divisor Catalog (4)

1 1,217 7,187 8,746,579

Collatz Trajectory (230 steps to reach 1)

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

8,746,579 26,239,738 13,119,869 39,359,608 19,679,804 9,839,902 4,919,951 14,759,854 7,379,927 22,139,782 11,069,891 33,209,674 16,604,837 49,814,512 24,907,256 12,453,628 6,226,814 3,113,407 9,340,222 4,670,111 14,010,334 7,005,167 21,015,502 10,507,751 31,523,254 15,761,627 47,284,882 23,642,441 70,927,324 35,463,662 17,731,831 53,195,494 26,597,747 79,793,242 39,896,621 119,689,864 59,844,932 29,922,466 14,961,233 44,883,700 22,441,850 11,220,925 33,662,776 16,831,388 8,415,694 4,207,847 12,623,542 6,311,771 18,935,314 9,467,657 28,402,972 14,201,486 7,100,743 21,302,230 10,651,115 31,953,346 15,976,673 47,930,020 23,965,010 11,982,505

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