λ
Sequence Observatory

8,111,814

2 × 3 × 677 × 1997
Abundant Even Composite

Starting at 8,111,814, the Collatz iteration reaches 1 after 186 steps. The first transition is 4055907; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 677 × 1997
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 16,255,728
Proper Divisor Sum 8,143,914
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #8111791 ← → #8111849

Radix Representation

Decimal 8111814
Binary 11110111100011011000110 (23 bits)
Octal 0o36743306
Hexadecimal 0x7BC6C6

Divisor Catalog (16)

1 2 3 6 677 1,354 1,997 2,031 3,994 4,062 5,991 11,982 1,351,969 2,703,938 4,055,907 8,111,814

Collatz Trajectory (186 steps to reach 1)

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

8,111,814 4,055,907 12,167,722 6,083,861 18,251,584 9,125,792 4,562,896 2,281,448 1,140,724 570,362 285,181 855,544 427,772 213,886 106,943 320,830 160,415 481,246 240,623 721,870 360,935 1,082,806 541,403 1,624,210 812,105 2,436,316 1,218,158 609,079 1,827,238 913,619 2,740,858 1,370,429 4,111,288 2,055,644 1,027,822 513,911 1,541,734 770,867 2,312,602 1,156,301 3,468,904 1,734,452 867,226 433,613 1,300,840 650,420 325,210 162,605 487,816 243,908 121,954 60,977 182,932 91,466 45,733 137,200 68,600 34,300 17,150 8,575

More profiles

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