λ
Sigma Notebook

2,979,881

911 × 3271
Deficient Odd Composite

2,979,881 is odd and not a perfect square. Its factorization is 911 × 3271 and its 4 divisors sum to 2,984,064.

Prime Factor Structure

Factorization String 911 × 3271
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,984,064
Proper Divisor Sum 4,183
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #2979877 ← → #2979901

Radix Representation

Decimal 2979881
Binary 1011010111100000101001 (22 bits)
Octal 0o13274051
Hexadecimal 0x2D7829

Divisor Catalog (4)

1 911 3,271 2,979,881

Collatz Trajectory (244 steps to reach 1)

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

2,979,881 8,939,644 4,469,822 2,234,911 6,704,734 3,352,367 10,057,102 5,028,551 15,085,654 7,542,827 22,628,482 11,314,241 33,942,724 16,971,362 8,485,681 25,457,044 12,728,522 6,364,261 19,092,784 9,546,392 4,773,196 2,386,598 1,193,299 3,579,898 1,789,949 5,369,848 2,684,924 1,342,462 671,231 2,013,694 1,006,847 3,020,542 1,510,271 4,530,814 2,265,407 6,796,222 3,398,111 10,194,334 5,097,167 15,291,502 7,645,751 22,937,254 11,468,627 34,405,882 17,202,941 51,608,824 25,804,412 12,902,206 6,451,103 19,353,310 9,676,655 29,029,966 14,514,983 43,544,950 21,772,475 65,317,426 32,658,713 97,976,140 48,988,070 24,494,035

More profiles

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