λ
Sigma Notebook

388,481

388481
Deficient Odd Prime

388,481 is odd and not a perfect square. Its factorization is 388481 and its 2 divisors sum to 388,482.

Prime Factor Structure

Factorization String 388481
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 388,482
Proper Divisor Sum 1
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #388477 ← → #388483

Radix Representation

Decimal 388481
Binary 1011110110110000001 (19 bits)
Octal 0o1366601
Hexadecimal 0x5ED81

Divisor Catalog (2)

Collatz Trajectory (130 steps to reach 1)

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

388,481 1,165,444 582,722 291,361 874,084 437,042 218,521 655,564 327,782 163,891 491,674 245,837 737,512 368,756 184,378 92,189 276,568 138,284 69,142 34,571 103,714 51,857 155,572 77,786 38,893 116,680 58,340 29,170 14,585 43,756 21,878 10,939 32,818 16,409 49,228 24,614 12,307 36,922 18,461 55,384 27,692 13,846 6,923 20,770 10,385 31,156 15,578 7,789 23,368 11,684 5,842 2,921 8,764 4,382 2,191 6,574 3,287 9,862 4,931 14,794

More profiles

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