137

Previous  ... Next

Number

$137$ (one hundred and thirty-seven) is:

The $33$rd prime number

The $4$th Stern number after $1$, $3$, $17$

The $4$th Stern prime after $1$, $3$, $17$

The smaller of the $11$th pair of twin primes, with $139$

The $17$th left-truncatable prime after $2$, $3$, $5$, $7$, $13$, $17$, $23$, $37$, $43$, $47$, $53$, $67$, $73$, $83$, $97$, $113$

The $57$th positive integer after $2$, $3$, $4$, $7$, $8$, $\ldots$, $95$, $96$, $100$, $101$, $102$, $107$, $112$, $116$, $124$, $136$ which cannot be expressed as the sum of distinct pentagonal numbers.

Also see

• Previous  ... Next: Stern Number
• Previous  ... Next: Stern Prime
• Previous  ... Next: Twin Primes
• Previous  ... Next: Left-Truncatable Prime
• Previous  ... Next: Prime Number
• Previous  ... Next: Numbers not Expressible as Sum of Distinct Pentagonal Numbers