Properties of the Number 31404

Thirty-One Thousand Four Hundred Four

Basics

Value: 31403 → 31404 → 31405

Parity: even

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 2617

Divisors: 1, 2, 3, 4, 6, 12, 2617, 5234, 7851, 10468

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101010101100

Octal: 75254

Duodecimal: 16210

Hexadecimal: 7aac

Square: 986211216

Square Root: 177.21173776022852

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) = T(n,n) + T(n,n+1) + ... + T(n,2n), T given by A027960. A27973

McKay-Thompson series of class 14B for Monster. A58503

Expansion of q^-1 * (χ(-q) * χ(-q⁷))³ in powers of q where χ() is a Ramanujan θ function. A132319

a(n) = (1/2)*A290904(n). A290905

Number of lines through exactly 4 points of an n X n grid of points. A18811

McKay-Thompson series of class 28B for the Monster group. A112169

Molien series for Hecke group H_3,4. A27631

Numbers k such that the continued fraction for sqrt(k) has even period 2·m and the m-th term of the periodic part is 1. A31404