λ
Sequence Observatory

6,870,367

7 × 981481
Deficient Odd Composite

Starting at 6,870,367, the Collatz iteration reaches 1 after 129 steps. The first transition is 20611102; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 981481
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,851,856
Proper Divisor Sum 981,489
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #6870317 ← → #6870377

Radix Representation

Decimal 6870367
Binary 11010001101010101011111 (23 bits)
Octal 0o32152537
Hexadecimal 0x68D55F

Divisor Catalog (4)

1 7 981,481 6,870,367

Collatz Trajectory (129 steps to reach 1)

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

6,870,367 20,611,102 10,305,551 30,916,654 15,458,327 46,374,982 23,187,491 69,562,474 34,781,237 104,343,712 52,171,856 26,085,928 13,042,964 6,521,482 3,260,741 9,782,224 4,891,112 2,445,556 1,222,778 611,389 1,834,168 917,084 458,542 229,271 687,814 343,907 1,031,722 515,861 1,547,584 773,792 386,896 193,448 96,724 48,362 24,181 72,544 36,272 18,136 9,068 4,534 2,267 6,802 3,401 10,204 5,102 2,551 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270

More profiles

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