Properties of the Number 24478

Twenty-Four Thousand Four Hundred Seventy-Eight

Basics

Value: 24477 → 24478 → 24479

Parity: even

Prime: No

Previous Prime: 24473

Next Prime: 24481

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 12239

Divisors: 1, 2, 12239, 24478

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101111110011110

Octal: 57636

Duodecimal: 121BA

Hexadecimal: 5f9e

Square: 599172484

Square Root: 156.45446621940837

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

a(n) = a(n-1) + a(n-2) - 2, a(0) = 4, a(1) = 3. A211

Imaginary part of (1+2i)ⁿ. A6496

Values of·such that x² + y² = 5ⁿ with·and y coprime and 0 < x < y. A230710

Number of (marked) cyclic n-bit binary strings containing no runs of length > 2. A7040

Real part of (2 + i)ⁿ, where i = sqrt(-1). A139011

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal. A237211

Number of maximum matchings in the n-Moebius ladder M_n. A20878

Let (A,B)=(a(2·n),a(2·n+1)), then (A,B) is (even,odd), gcd(A,B)=1 and A² + B² = 5ⁿ. Note: a(0)=0. A98122

a(n) is the number of perfect matchings of an edge-labeled 2 X (2n+1) Mobius grid graph. A162483

Expansion of (1 - x + 3·x³ - 2·x⁴ - 3·x⁵)/(1 - 2·x + x³). A48162