λ
Sequence Observatory

8,022,605

5 × 1604521
Deficient Odd Composite

Starting at 8,022,605, the Collatz iteration reaches 1 after 186 steps. The first transition is 24067816; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 1604521
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 9,627,132
Proper Divisor Sum 1,604,527
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #8022569 ← → #8022613

Radix Representation

Decimal 8022605
Binary 11110100110101001001101 (23 bits)
Octal 0o36465115
Hexadecimal 0x7A6A4D

Divisor Catalog (4)

1 5 1,604,521 8,022,605

Collatz Trajectory (186 steps to reach 1)

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

8,022,605 24,067,816 12,033,908 6,016,954 3,008,477 9,025,432 4,512,716 2,256,358 1,128,179 3,384,538 1,692,269 5,076,808 2,538,404 1,269,202 634,601 1,903,804 951,902 475,951 1,427,854 713,927 2,141,782 1,070,891 3,212,674 1,606,337 4,819,012 2,409,506 1,204,753 3,614,260 1,807,130 903,565 2,710,696 1,355,348 677,674 338,837 1,016,512 508,256 254,128 127,064 63,532 31,766 15,883 47,650 23,825 71,476 35,738 17,869 53,608 26,804 13,402 6,701 20,104 10,052 5,026 2,513 7,540 3,770 1,885 5,656 2,828 1,414

More profiles

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