153
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Number
$153$ (one hundred and fifty-three) is:
- $3^2 \times 17$
- The sum of the first $5$ factorials:
- $153 = 1! + 2! + 3! + 4! + 5!$
- The $7$th Friedman number base $10$ after $25$, $121$, $125$, $126$, $127$, $128$:
- $153 = 51 \times 3$
- The $9$th hexagonal number after $1$, $6$, $15$, $28$, $45$, $66$, $91$, $120$:
- $153 = 1 + 5 + 9 + 13 + 17 + 21 + 25 + 29 + 33 = 9 \paren {2 \times 9 - 1}$
- The $10$th pluperfect digital invariant after $1$, $2$, $3$, $4$, $5$, $6$, $7$, $8$, $9$, and the $1$st non-trivial one:
- $1^3 + 5^3 + 3^3 = 1 + 125 + 27 = 153$
- The $17$th triangular number after $1$, $3$, $6$, $10$, $15$, $21$, $28$, $36$, $45$, $55$, $66$, $78$, $91$, $105$, $120$, $136$:
- $153 = \ds \sum_{k \mathop = 1}^{17} k = \dfrac {17 \times \paren {17 + 1} } 2$
- The $29$th positive integer $n$ such that no factorial of an integer can end with $n$ zeroes.
Also see
- Previous ... Next: Pluperfect Digital Invariant
- Previous ... Next: Sum of Sequence of Factorials
- Previous ... Next: Hexagonal Number
- Previous ... Next: Friedman Number
- Previous ... Next: Triangular Number
- Previous ... Next: Numbers of Zeroes that Factorial does not end with
Historical Note
$153$ was the number of fish that the disciples of Jesus hauled out of the water when Jesus suggested they put their nets over the other side of the boat.
As a result, considerable numerological interpretation has been made of this.
For example, $153$ is the $17$th triangular number.
$17$ itself is the sum of $10$, for the Ten Commandments, and $7$, the number of the Gifts of the Holy Spirit.
And so on.
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $153$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $153$