Book:David Wells/Curious and Interesting Numbers/Errata

Historical Note on Doubling the Cube
$1 \cdotp 25992 \, 10498 \, 94873 \, 16476 \ldots$:

Positive Integer is Sum of Consecutive Positive Integers iff not Power of $2$
$2$:

Tamref's Last Theorem
$2$:

Decimal Expansion of $\pi$
$3 \cdotp 14159 \, 26535 \, 89793 \, 23846 \, 26433 \, 83279 \, 50288 \, 41972 \ldots$:

Notation for Pi
$3 \cdotp 14159 \, 26535 \, 89793 \, 23846 \, 26433 \, 83279 \, 50288 \, 41972 \ldots$:

Leonhard Paul Euler
$3 \cdotp 14159 \, 26535 \, 89793 \, 23846 \, 26433 \, 83279 \, 50288 \, 41972 \ldots$:

Pi: Modern Developments
$3 \cdotp 14159 \, 26535 \, 89793 \, 23846 \, 26433 \, 83279 \, 50288 \, 41972 \ldots$:

Tamura-Kanada Circuit Method: Example
$3 \cdotp 14159 \, 26535 \, 89793 \, 23846 \, 26433 \, 83279 \, 50288 \, 41972 \ldots$:

Pythagorean Triangle with Sides in Arithmetic Sequence
$5$:

Sam Loyd's Missing Square
$5$:

Fibonacci Number as Sum of Binomial Coefficients
$5$:

No $4$ Fibonacci Numbers can be in Arithmetic Sequence
$5$:

Perfect Number is Sum of Successive Odd Cubes except $6$
$6$:

Set of $3$ Integers each Divisor of Sum of Other Two
$6$:

Only Number which is Sum of $3$ Factors is $6$
$6$:

Historical Note on the St. Ives Problem
$7$:

Definition of Deltahedron
$8$:

Product of Two Triangular Numbers to make Square
$15$:

Triangular Number Pairs with Triangular Sum and Difference
$15$:

Palindromic Triangular Numbers: $1$
$15$:

Historical Note on Hexadecimal Notation
$16$:

Stronger Feit-Thompson Conjecture
$17$:

Magic Hexagon
$19$:

Sum of Sequence of Alternating Positive and Negative Factorials being Prime
$19$:

Semiperfect Number
$20$:

Squares Ending in $5$ Occurrences of $2$-Digit Pattern
$21$:

$23$ is Largest Integer not Sum of Distinct Powers
$23$:

Apothecaries' Ounce
$24$:

$24$ is Smallest Composite Number the Product of whose Proper Divisors is Cube
$24$:

Sociable Chain: $12,496$
$28$:

Historical Note on Definition of Perfect Number
$28$:

Sequence of Prime Primorial minus $1$
$29$:

Schatunowsky's Theorem
$30$:

Pascal's Rule
$35$:

Hilbert-Waring Theorem: $5$
$37$:

46/Historical Note
$46$:

Prime between $n$ and $9 n$ divided by $8$
$48$:

Definition:Highly Composite Number
$60$:

Kaprekar's Process for $2$-Digit Numbers
$63$:

Existence of Number to Power of Prime Minus $1$ less $1$ divisible by Prime Squared
$64$:

Prime Numbers which Divide Sum of All Lesser Primes
$71$:

$4$ Positive Integers in Arithmetic Sequence which have Same Euler Phi Value
$72$:

Smallest $5$th Power equal to Sum of $5$ other $5$th Powers
$72$:

Reciprocal of 89
$89$:

Integers such that Difference with Power of $2$ is always Prime
$105$:

Reciprocals of Odd Numbers adding to $1$
$105$:

Smallest Number with $2^n$ Divisors
$120$:

Triperfect Number
$120$:

Multiply Perfect Number of Order $8$
$120$:

Square Numbers which are Sum of Consecutive Powers
$121$:

Carmichael's Theorem
$144$:

Smallest Prime Magic Square with Consecutive Primes from $3$
$144$:

Sum of $2$ Squares in $2$ Distinct Ways: $145$
$145$:

$3$-Digit Numbers forming Longest Reverse-and-Add Sequence
$187$:

Smallest Order $3$ Multiplicative Magic Square: Historical Note
$216$:

Plato's Geometrical Number
$216$:

Fermat Pseudoprime to Base $4$
$217$:

Prime Decomposition of $7$th Fermat Number
$257$:

Product of Sequence of Fermat Numbers plus $2$
$257$:

297
$297$:

$492$ is Sum of $3$ Cubes in $3$ Ways
$492$:

Products of $2$-Digit Pairs which Reversed reveal Same Product
$504$:

Prime Decomposition of $5$th Fermat Number
$641$:

Tetrahedral Numbers which are Sum of $2$ Tetrahedral Numbers
$680$:

Consecutive Integers whose Product is Primorial
$714$:

Period of Reciprocal of $729$ is $81$
$729$:

Triangular Number Pairs with Triangular Sum and Difference: $T_{39}$ and $T_{44}$
$780$:

Multiple of $999$ can be Split into Groups of $3$ Digits which Add to $999$
$999$:

Integer both Square and Triangular
$1225$:

Squares whose Digits can be Separated into $2$ other Squares
$1444$:

Gregorian Calendar
$3333$:

Product with Repdigit can be Split into Parts which Add to Repdigit
$6666$:

6667
$6667$:

Largest Number Not Expressible as Sum of Fewer than $8$ Cubes
$8042$:

Mersenne Number whose Index is Mersenne Prime
$8191$:

9801
$9801$:

Smallest Penholodigital Square
$11,826$:

Smallest Fourth Power as Sum of $5$ Distinct Fourth Powers
$50,625$:

Kaprekar's Process on 5 Digit Number
$99,954$:

Number times Recurring Part of Reciprocal gives $9$-Repdigit
$142,857$:

Reciprocal of $142 \, 857$
$142,857$:

Integer whose Digits when Grouped in $3$s add to Multiple of $999$ is Divisible by $999$
$142,857$:

$147 \, 852$
$147,852$:

Properties of Family of $333,667$ and Related Numbers
$333,667$:

Palindromic Triangular Numbers: $2$
$828,828$:

Triangular Number Pairs with Triangular Sum and Difference: $T_{1869}$ and $T_{2090}$
$1,747,515$:

Factorial as Product of Consecutive Factorials
$3,628,800$:

Archimedes' Cattle Problem
$4,729,494$:

Construction of Smith Number from Prime Repunit
$4,937,775$:

Hardy-Ramanujan Number: $87 \, 539 \, 319$
$87,539,319$:

Pandigital Integers remaining Pandigital on Multiplication
$123,456,789$:

Right-Truncatable Prime
$739,391,133$:

$555,555,555,555,556$
$555,555,555,555,556$:

Square of Small Repunit is Palindromic
$1,111,111,111,111,111,111$:

Probability of All Players receiving Complete Suit at Bridge
$2,235,197,406,895,366,368,301,560,000$:

General Fibonacci Sequence whose Terms are all Composite
$1,786,772,701,928,802,632,268,715,130,455,793$:

$180 \times \paren {2^{127} - 1} + 1$ is Prime
$180 \times \paren {2^{127} - 1} + 1$:

Upper Bound for Number of Grains of Sand to fill Universe
$10^{51}$:

Mersenne Prime $M_{521}$
$2^{521} - 1$:

Ackermann Function
$2^{65536}$:

Mersenne Prime $M_{86 \, 243}$
$2^{86243} - 1$:

Speed of Light
$2^{86243} - 1$:

Horace Scudder Uhler
$9^{9^9}$:

Number of Primes up to $n$ Approximates to Eulerian Logarithmic Integral
$10^{10^{10^{34}}}$: