5187

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Number

$5187$ (five thousand, one hundred and eighty-seven) is:

$3 \times 7 \times 13 \times 19$

The $2$nd term of the $1$st triplet of consecutive integers with equal Euler $\phi$ values:

$\map \phi {5186} = \map \phi {5187} = \map \phi {5188} = 2592 = 2^5 \times 3^4$

Also see

• Euler Phi Function of 5187

• Consecutive Triples with Same Euler Phi value: $5186$, $5187$ and $5188$

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $5186$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $5186$