λ
Sequence Observatory

6,994,519

7 × 999217
Deficient Odd Composite

Starting at 6,994,519, the Collatz iteration reaches 1 after 297 steps. The first transition is 20983558; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 999217
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,993,744
Proper Divisor Sum 999,225
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #6994511 ← → #6994529

Radix Representation

Decimal 6994519
Binary 11010101011101001010111 (23 bits)
Octal 0o32535127
Hexadecimal 0x6ABA57

Divisor Catalog (4)

1 7 999,217 6,994,519

Collatz Trajectory (297 steps to reach 1)

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

6,994,519 20,983,558 10,491,779 31,475,338 15,737,669 47,213,008 23,606,504 11,803,252 5,901,626 2,950,813 8,852,440 4,426,220 2,213,110 1,106,555 3,319,666 1,659,833 4,979,500 2,489,750 1,244,875 3,734,626 1,867,313 5,601,940 2,800,970 1,400,485 4,201,456 2,100,728 1,050,364 525,182 262,591 787,774 393,887 1,181,662 590,831 1,772,494 886,247 2,658,742 1,329,371 3,988,114 1,994,057 5,982,172 2,991,086 1,495,543 4,486,630 2,243,315 6,729,946 3,364,973 10,094,920 5,047,460 2,523,730 1,261,865 3,785,596 1,892,798 946,399 2,839,198 1,419,599 4,258,798 2,129,399 6,388,198 3,194,099 9,582,298

More profiles

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