Properties of the Number 40044

Forty Thousand Forty-Four

Basics

Value: 40043 → 40044 → 40045

Parity: even

Prime: No

Previous Prime: 40039

Next Prime: 40063

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 47 × 71

Divisors: 1, 2, 3, 4, 6, 12, 47, 71, 94, 141

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110001101100

Octal: 116154

Duodecimal: 1B210

Hexadecimal: 9c6c

Square: 1603521936

Square Root: 200.10996976662608

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

Numbers whose decimal expansion contains only 0's and 4's. A169967

Number of n-step mappings with 4 inputs. A5945

a()=A037260 and its first [ A037261 ], 2nd [ A037262 ] and 3rd [ A037263 ] differences together include every number at most once and are monotonic and minimal. A37260

Numbers k such that σ(k) = ψ(k) + τ(k)³. A390297

Central column (ignoring the zeros) of A349813, or leading entries in rows of A349814. A349819

Numbers k such that k and k+1 are modest (cf. A054986). A55018

Irregular triangle read by rows: the right-hand side of the triangle in A349813. A349814

Q(p)/p where p runs through the primes and Q(k) is the k-th central quadrinomial coefficient (A005190). A87186

Even numbers such that the sum of the even divisors and the sum of the odd divisors are a square or a cube. A263695

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 0, -1), (0, 0, 1), (1, 1, 1)}. A150759