λ
Sequence Observatory

1,543,275

32 × 52 × 193
Deficient Odd Composite

Starting at 1,543,275, the Collatz iteration reaches 1 after 132 steps. The first transition is 4629826; the starting value is odd with 36 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 5^2 × 19^3
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 36
Divisor Sum (σ) 2,917,720
Proper Divisor Sum 1,374,445
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #1543271 ← → #1543279

Radix Representation

Decimal 1543275
Binary 101111000110001101011 (21 bits)
Octal 0o5706153
Hexadecimal 0x178C6B

Divisor Catalog (36)

1 3 5 9 15 19 25 45 57 75 95 171 225 285 361 475 855 1,083 1,425 1,805 3,249 4,275 5,415 6,859 9,025 16,245 20,577 27,075 34,295 61,731 81,225 102,885 171,475 308,655 514,425 1,543,275

Collatz Trajectory (132 steps to reach 1)

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

1,543,275 4,629,826 2,314,913 6,944,740 3,472,370 1,736,185 5,208,556 2,604,278 1,302,139 3,906,418 1,953,209 5,859,628 2,929,814 1,464,907 4,394,722 2,197,361 6,592,084 3,296,042 1,648,021 4,944,064 2,472,032 1,236,016 618,008 309,004 154,502 77,251 231,754 115,877 347,632 173,816 86,908 43,454 21,727 65,182 32,591 97,774 48,887 146,662 73,331 219,994 109,997 329,992 164,996 82,498 41,249 123,748 61,874 30,937 92,812 46,406 23,203 69,610 34,805 104,416 52,208 26,104 13,052 6,526 3,263 9,790

More profiles

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