Properties of the Number 40033

Forty Thousand Thirty-Three

Basics

Value: 40032 → 40033 → 40034

Parity: odd

Prime: No

Previous Prime: 40031

Next Prime: 40037

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 7 ² × 19 × 43

Divisors: 1, 7, 19, 43, 49, 133, 301, 817, 931, 2107

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110001100001

Octal: 116141

Duodecimal: 1B201

Hexadecimal: 9c61

Square: 1602641089

Square Root: 200.08248299139032

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Taxi-cab numbers: sums of 2 cubes in more than 1 way. A1235

Cubefree taxi-cab numbers. A272885

Numbers that are the sum of 2 cubes in more than 1 way (primitive solutions). A18850

Sum of two (possibly negative) coprime cubes in at least 2 ways, but not the sum of 2 noncoprime cubes. A293648

Numbers that are the sum of two positive cubes in exactly two ways. A343708

Numbers k such that 3·10^k + 1·R_k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56704

Composites in base 10 that remain composite in exactly four bases b, 2 <= b <= 10, expansions interpreted as decimal numbers. A256354

Numbers whose 4th power can be expressed as the sum of two positive cubes in more than one way. A51388

Sum of two coprime positive cubes in at least 2 ways, but not the sum of 2 non-coprime positive cubes. A293649

Number of unordered pairs of rooted trees with a total of n nodes and an even total of leaves. A339524