λ
Sequence Observatory

8,484,818

2 × 4242409
Deficient Even Composite

Starting at 8,484,818, the Collatz iteration reaches 1 after 106 steps. The first transition is 4242409; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4242409
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 12,727,230
Proper Divisor Sum 4,242,412
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #8484809 ← → #8484829

Radix Representation

Decimal 8484818
Binary 100000010111011111010010 (24 bits)
Octal 0o40273722
Hexadecimal 0x8177D2

Divisor Catalog (4)

1 2 4,242,409 8,484,818

Collatz Trajectory (106 steps to reach 1)

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

8,484,818 4,242,409 12,727,228 6,363,614 3,181,807 9,545,422 4,772,711 14,318,134 7,159,067 21,477,202 10,738,601 32,215,804 16,107,902 8,053,951 24,161,854 12,080,927 36,242,782 18,121,391 54,364,174 27,182,087 81,546,262 40,773,131 122,319,394 61,159,697 183,479,092 91,739,546 45,869,773 137,609,320 68,804,660 34,402,330 17,201,165 51,603,496 25,801,748 12,900,874 6,450,437 19,351,312 9,675,656 4,837,828 2,418,914 1,209,457 3,628,372 1,814,186 907,093 2,721,280 1,360,640 680,320 340,160 170,080 85,040 42,520 21,260 10,630 5,315 15,946 7,973 23,920 11,960 5,980 2,990 1,495

More profiles

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