λ
Sequence Observatory

2,527,583

432 × 1367
Deficient Odd Composite

Starting at 2,527,583, the Collatz iteration reaches 1 after 187 steps. The first transition is 7582750; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 43^2 × 1367
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 2,589,624
Proper Divisor Sum 62,041
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2527579 ← → #2527597

Radix Representation

Decimal 2527583
Binary 1001101001000101011111 (22 bits)
Octal 0o11510537
Hexadecimal 0x26915F

Divisor Catalog (6)

1 43 1,367 1,849 58,781 2,527,583

Collatz Trajectory (187 steps to reach 1)

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

2,527,583 7,582,750 3,791,375 11,374,126 5,687,063 17,061,190 8,530,595 25,591,786 12,795,893 38,387,680 19,193,840 9,596,920 4,798,460 2,399,230 1,199,615 3,598,846 1,799,423 5,398,270 2,699,135 8,097,406 4,048,703 12,146,110 6,073,055 18,219,166 9,109,583 27,328,750 13,664,375 40,993,126 20,496,563 61,489,690 30,744,845 92,234,536 46,117,268 23,058,634 11,529,317 34,587,952 17,293,976 8,646,988 4,323,494 2,161,747 6,485,242 3,242,621 9,727,864 4,863,932 2,431,966 1,215,983 3,647,950 1,823,975 5,471,926 2,735,963 8,207,890 4,103,945 12,311,836 6,155,918 3,077,959 9,233,878 4,616,939 13,850,818 6,925,409 20,776,228

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