1951
Jump to navigation
Jump to search
Number
$1951$ (one thousand, nine hundred and fifty-one) is:
- The $297$th prime number
- The $26$th centered hexagonal number after $1$, $7$, $19$, $37$, $61$, $91$, $127$, $\ldots$, $817$, $919$, $1027$, $1141$, $1261$, $1387$, $1519$, $1657$, $1801$:
- $1951 = \ds 1 + \sum_{k \mathop = 1}^{26 - 1} 6 k = 26^3 - 25^3$
- The $2$nd of the $60$th pair of twin primes:
- $1951 - 1949 = 2$
Also see
- Previous ... Next: Centered Hexagonal Number
- Previous ... Next: Prime Number
- Previous ... Next: Twin Primes