212
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Number
$212$ (two hundred and twelve) is:
- $2^2 \times 53$
- The $8$th integer after $0$, $1$, $2$, $4$, $8$, $121$, $151$ which is palindromic in both decimal and ternary:
- $212_{10} = 12 \, 121_3$
- The $11$th palindromic integer after $0$, $1$, $2$, $3$, $11$, $22$, $101$, $111$, $121$, $202$ whose square is also palindromic integer
- $212^2 = 44 \, 944$
- The $23$rd Zuckerman number after $1$, $2$, $3$, $4$, $5$, $6$, $7$, $8$, $9$, $11$, $12$, $15$, $24$, $36$, $111$, $112$, $115$, $128$, $132$, $135$, $144$, $175$:
- $212 = 53 \times 4 = 53 \times \paren {2 \times 1 \times 2}$
Also see
- Previous ... Next: Palindromes in Base 10 and Base 3
- Previous ... Next: Zuckerman Number
- Previous ... Next: Square of Small-Digit Palindromic Number is Palindromic
Historical Note
$212 \, ^\circ \mathrm F$ is the boiling point of water on the Fahrenheit scale.