λ
Sequence Observatory

7,072,614

2 × 32 × 392923
Abundant Even Composite

Starting at 7,072,614, the Collatz iteration reaches 1 after 67 steps. The first transition is 3536307; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 392923
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 15,324,036
Proper Divisor Sum 8,251,422
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #7072613 ← → #7072621

Radix Representation

Decimal 7072614
Binary 11010111110101101100110 (23 bits)
Octal 0o32765546
Hexadecimal 0x6BEB66

Divisor Catalog (12)

1 2 3 6 9 18 392,923 785,846 1,178,769 2,357,538 3,536,307 7,072,614

Collatz Trajectory (67 steps to reach 1)

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

7,072,614 3,536,307 10,608,922 5,304,461 15,913,384 7,956,692 3,978,346 1,989,173 5,967,520 2,983,760 1,491,880 745,940 372,970 186,485 559,456 279,728 139,864 69,932 34,966 17,483 52,450 26,225 78,676 39,338 19,669 59,008 29,504 14,752 7,376 3,688 1,844 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40

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