Properties of the Number 74248

Seventy-Four Thousand Two Hundred Forty-Eight

Basics

Value: 74247 → 74248 → 74249

Parity: even

Prime: No

Previous Prime: 74231

Next Prime: 74257

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 9281

Divisors: 1, 2, 4, 8, 9281, 18562, 37124, 74248

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010001000001000

Octal: 221010

Duodecimal: 36B74

Hexadecimal: 12208

Square: 5512765504

Square Root: 272.48486196484384

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

Eigensequence for the Moebius μ triangle A152904. A185694

T(n,k) = Number of n X k 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique. A265973

Number of regions in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and n+2 equally spaced points along the diameter (a total of 2n+2 points). See Comments for precise definition. A333519

a(n) = floor(n^{n^(1/3})). A157254

Number of nX4 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique. A265969

a(n) = ∑_m=1..24 (25-m)ⁿ*A005875(m). A85120

Number of n X n 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique. A265966

Triangle of coefficients, read by rows of (2n+1) terms, where the n-th row forms a polynomial in x, P(n,x), of degree 2n and satisfies: P(n,x) = [∑_k=1..n 1/(k + x + x²)]*[∏_k=1..n (k + x + x²)]. A74248