λ
Sequence Observatory

7,016,146

2 × 3508073
Deficient Even Composite

Starting at 7,016,146, the Collatz iteration reaches 1 after 85 steps. The first transition is 3508073; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 3508073
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,524,222
Proper Divisor Sum 3,508,076
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #7016131 ← → #7016147

Radix Representation

Decimal 7016146
Binary 11010110000111011010010 (23 bits)
Octal 0o32607322
Hexadecimal 0x6B0ED2

Divisor Catalog (4)

1 2 3,508,073 7,016,146

Collatz Trajectory (85 steps to reach 1)

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

7,016,146 3,508,073 10,524,220 5,262,110 2,631,055 7,893,166 3,946,583 11,839,750 5,919,875 17,759,626 8,879,813 26,639,440 13,319,720 6,659,860 3,329,930 1,664,965 4,994,896 2,497,448 1,248,724 624,362 312,181 936,544 468,272 234,136 117,068 58,534 29,267 87,802 43,901 131,704 65,852 32,926 16,463 49,390 24,695 74,086 37,043 111,130 55,565 166,696 83,348 41,674 20,837 62,512 31,256 15,628 7,814 3,907 11,722 5,861 17,584 8,792 4,396 2,198 1,099 3,298 1,649 4,948 2,474 1,237

More profiles

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