Properties of the Number 24128

Twenty-Four Thousand One Hundred Twenty-Eight

Basics

Value: 24127 → 24128 → 24129

Parity: even

Prime: No

Previous Prime: 24121

Next Prime: 24133

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁶ × 13 × 29

Divisors: 1, 2, 4, 8, 13, 16, 26, 29, 32, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101111001000000

Octal: 57100

Duodecimal: 11B68

Hexadecimal: 5e40

Square: 582160384

Square Root: 155.3319027115808

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

Triangle read by rows: T(n,d) is the number of distinct properly d-dimensional polyominoes (or polycubes) with n cells (n >= 1, d >= 0). A49430

a(0)=0, a(1)=1; for n>1, a(n) = 6·a(n-1)-4·a(n-2). A84326

Triangle T(n,d) = number of distinct d-dimensional polyominoes (or polycubes) with n cells (0 < d < n). A49429

First row of spectral array W(sqrt(5)-1). A22165

E.g.f. B(x) = 4 + Integral A(x)*C(x) dx such that C(x)² - B(x)² = 9 and B(x)² - A(x)² = 7. A323564

a(n) = (1+n)*(9 + 11·n + 4·n²)/3. A172482

Number of essentially parallel achiral series-parallel networks with n elements. A339158

Numbers m such that m = p² + k², with p > 0, where p = A007954(m) = the product of digits of m. A334557

Number of 3-dimensional polyominoes with n cells. A6766

Expansion of (1-x)/(1-2·x+2·x²+2·x³). A78005