λ
Sigma Notebook

127,399

127399
Deficient Odd Prime

127,399 is odd and not a perfect square. Its factorization is 127399 and its 2 divisors sum to 127,400.

Prime Factor Structure

Factorization String 127399
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 127,400
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #127373 ← → #127403

Radix Representation

Decimal 127399
Binary 11111000110100111 (17 bits)
Octal 0o370647
Hexadecimal 0x1F1A7

Divisor Catalog (2)

Collatz Trajectory (105 steps to reach 1)

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

127,399 382,198 191,099 573,298 286,649 859,948 429,974 214,987 644,962 322,481 967,444 483,722 241,861 725,584 362,792 181,396 90,698 45,349 136,048 68,024 34,012 17,006 8,503 25,510 12,755 38,266 19,133 57,400 28,700 14,350 7,175 21,526 10,763 32,290 16,145 48,436 24,218 12,109 36,328 18,164 9,082 4,541 13,624 6,812 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940 6,470 3,235 9,706 4,853

More profiles

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