λ
Sigma Notebook

1,281,238

2 × 7 × 232 × 173
Deficient Even Composite

1,281,238 is even and not a perfect square. Its factorization is 2 × 7 × 23^2 × 173 and its 24 divisors sum to 2,309,328.

Prime Factor Structure

Factorization String 2 × 7 × 23^2 × 173
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 2,309,328
Proper Divisor Sum 1,028,090
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #1281229 ← → #1281253

Radix Representation

Decimal 1281238
Binary 100111000110011010110 (21 bits)
Octal 0o4706326
Hexadecimal 0x138CD6

Divisor Catalog (24)

1 2 7 14 23 46 161 173 322 346 529 1,058 1,211 2,422 3,703 3,979 7,406 7,958 27,853 55,706 91,517 183,034 640,619 1,281,238

Collatz Trajectory (72 steps to reach 1)

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

1,281,238 640,619 1,921,858 960,929 2,882,788 1,441,394 720,697 2,162,092 1,081,046 540,523 1,621,570 810,785 2,432,356 1,216,178 608,089 1,824,268 912,134 456,067 1,368,202 684,101 2,052,304 1,026,152 513,076 256,538 128,269 384,808 192,404 96,202 48,101 144,304 72,152 36,076 18,038 9,019 27,058 13,529 40,588 20,294 10,147 30,442 15,221 45,664 22,832 11,416 5,708 2,854 1,427 4,282 2,141 6,424 3,212 1,606 803 2,410 1,205 3,616 1,808 904 452 226

More profiles

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