λ
Sequence Observatory

2,500,499

223 × 11213
Deficient Odd Composite

Starting at 2,500,499, the Collatz iteration reaches 1 after 249 steps. The first transition is 7501498; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 223 × 11213
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,511,936
Proper Divisor Sum 11,437
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #2500441 ← → #2500523

Radix Representation

Decimal 2500499
Binary 1001100010011110010011 (22 bits)
Octal 0o11423623
Hexadecimal 0x262793

Divisor Catalog (4)

1 223 11,213 2,500,499

Collatz Trajectory (249 steps to reach 1)

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

2,500,499 7,501,498 3,750,749 11,252,248 5,626,124 2,813,062 1,406,531 4,219,594 2,109,797 6,329,392 3,164,696 1,582,348 791,174 395,587 1,186,762 593,381 1,780,144 890,072 445,036 222,518 111,259 333,778 166,889 500,668 250,334 125,167 375,502 187,751 563,254 281,627 844,882 422,441 1,267,324 633,662 316,831 950,494 475,247 1,425,742 712,871 2,138,614 1,069,307 3,207,922 1,603,961 4,811,884 2,405,942 1,202,971 3,608,914 1,804,457 5,413,372 2,706,686 1,353,343 4,060,030 2,030,015 6,090,046 3,045,023 9,135,070 4,567,535 13,702,606 6,851,303 20,553,910

More profiles

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