Properties of the Number 74864

Seventy-Four Thousand Eight Hundred Sixty-Four

Basics

Value: 74863 → 74864 → 74865

Parity: even

Prime: No

Previous Prime: 74861

Next Prime: 74869

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 4679

Divisors: 1, 2, 4, 8, 16, 4679, 9358, 18716, 37432, 74864

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010010001110000

Octal: 222160

Duodecimal: 373A8

Hexadecimal: 12470

Square: 5604618496

Square Root: 273.612865194603

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

Number of ways of writing n as a sum of 8 squares. A143

Fourier coefficients of E_0,4. A35016

θ series of D₈ lattice. A8430

a(n) = [xⁿ] (theta₃(x^1/2)ⁿ + theta₄(x^1/2)ⁿ)/2, where theta₃() and theta₄() are the Jacobi θ functions. A303333

Number of nX4 0..1 arrays with every element unequal to 0, 1, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318078

Number of ways of writing n² as a sum of 8 squares. A374493

a(n) = a(n-1) + a(n-2) + R(a(n-3)) + R(a(n-4)) where a(1)=a(2)=a(3)=a(4)=1 and R(n) (A004086) is the reverse of n. A74864