λ
Sigma Notebook

7,757,758

2 × 3878879
Deficient Even Composite

7,757,758 is even and not a perfect square. Its factorization is 2 × 3878879 and its 4 divisors sum to 11,636,640.

Prime Factor Structure

Factorization String 2 × 3878879
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 11,636,640
Proper Divisor Sum 3,878,882
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #7757747 ← → #7757779

Radix Representation

Decimal 7757758
Binary 11101100101111110111110 (23 bits)
Octal 0o35457676
Hexadecimal 0x765FBE

Divisor Catalog (4)

1 2 3,878,879 7,757,758

Collatz Trajectory (279 steps to reach 1)

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

7,757,758 3,878,879 11,636,638 5,818,319 17,454,958 8,727,479 26,182,438 13,091,219 39,273,658 19,636,829 58,910,488 29,455,244 14,727,622 7,363,811 22,091,434 11,045,717 33,137,152 16,568,576 8,284,288 4,142,144 2,071,072 1,035,536 517,768 258,884 129,442 64,721 194,164 97,082 48,541 145,624 72,812 36,406 18,203 54,610 27,305 81,916 40,958 20,479 61,438 30,719 92,158 46,079 138,238 69,119 207,358 103,679 311,038 155,519 466,558 233,279 699,838 349,919 1,049,758 524,879 1,574,638 787,319 2,361,958 1,180,979 3,542,938 1,771,469

More profiles

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