λ
Sigma Notebook

258,803

258803
Deficient Odd Prime

258,803 is odd and not a perfect square. Its factorization is 258803 and its 2 divisors sum to 258,804.

Prime Factor Structure

Factorization String 258803
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 258,804
Proper Divisor Sum 1
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #258787 ← → #258809

Radix Representation

Decimal 258803
Binary 111111001011110011 (18 bits)
Octal 0o771363
Hexadecimal 0x3F2F3

Divisor Catalog (2)

1 258,803

Collatz Trajectory (132 steps to reach 1)

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

258,803 776,410 388,205 1,164,616 582,308 291,154 145,577 436,732 218,366 109,183 327,550 163,775 491,326 245,663 736,990 368,495 1,105,486 552,743 1,658,230 829,115 2,487,346 1,243,673 3,731,020 1,865,510 932,755 2,798,266 1,399,133 4,197,400 2,098,700 1,049,350 524,675 1,574,026 787,013 2,361,040 1,180,520 590,260 295,130 147,565 442,696 221,348 110,674 55,337 166,012 83,006 41,503 124,510 62,255 186,766 93,383 280,150 140,075 420,226 210,113 630,340 315,170 157,585 472,756 236,378 118,189 354,568

More profiles

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