Properties of the Number -317471

Three Hundred Seventeen Thousand Four Hundred Seventy-One

Basics

Value: -317472 → -317471 → -317470

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 ² × 11 × 19 × 31

Divisors: 1, 7, 11, 19, 31, 49, 77, 133, 209, 217

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1001101100000011111

Octal: -1154037

Duodecimal: -13387B

Hexadecimal: -4d81f

Square: 100787835841

Square Root: 563.4456495528207

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 to place 4 nonattacking kings on an n X n board. A61997

Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square array such that all positions are mutually isolated. Two positions (s,t),(u,v) are considered as isolated from each other if min(abs(s-u),abs(t-v))>1. A98487

a(n) = 4·a(n-1) - a(n-2) + 3 with a(0)=1, a(1)=7. A55269