# 151

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## Number

$151$ (**one hundred and fifty-one**) is:

- The $36$th prime number

- The $2$nd of the $12$th pair of twin primes, with $149$

- The $8$th palindromic prime after $2$, $3$, $5$, $7$, $11$, $101$, $131$

- The $31$st lucky number:
- $1$, $3$, $7$, $9$, $13$, $15$, $21$, $\ldots$, $115$, $127$, $129$, $133$, $135$, $141$, $151$, $\ldots$

- The $9$th palindromic lucky number:
- $1$, $3$, $7$, $9$, $33$, $99$, $111$, $141$, $151$, $\ldots$

- The $7$th integer after $0$, $1$, $2$, $4$, $8$, $121$ which is palindromic in both decimal and ternary:
- $151_{10} = 12 \, 121_3$

- The $7$th prime number after $53$, $71$, $103$, $107$, $109$, $149$ which cannot be expressed as the difference between a power of $2$ and a power of $3$

## Also see

*Previous ... Next*: Palindromes in Base 10 and Base 3*Previous ... Next*: Palindromic Prime*Previous ... Next*: Lucky Number*Previous ... Next*: Sequence of Palindromic Lucky Numbers*Previous ... Next*: Primes not Difference between Powers of 2 and 3*Previous ... Next*: Prime Number*Previous ... Next*: Twin Primes