Properties of the Number -131131

One Hundred Thirty-One Thousand One Hundred Thirty-One

Basics

Value: -131132 → -131131 → -131130

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: Yes

Factorization: 7 × 11 × 13 × 131

Divisors: 1, 7, 11, 13, 77, 91, 131, 143, 917, 1001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -100000000000111011

Octal: -400073

Duodecimal: -63A77

Hexadecimal: -2003b

Square: 17195339161

Square Root: 362.12014580799007

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,k) equals the number of semistandard Young tableaux with shape of a partition of n and maximal element <= k. A191714

Concatenation of n-th prime and its reverse. A67087

Non-primitive words on {1,2,3}. A239018

List of imprimitive words over the alphabet {1,3}. A213973

Indices of centered heptagonal numbers (A069099) which are also heptagonal numbers (A000566). A133272

a(n) has generating function 1/((1-x)^k*(1-x²)^k*(k-1/2)) for k=7. A181479

Composite numbers k such that k is a substring of A067599(k). A390475

Dates after Jan 01 00 in chronological order which are palindromic when they are written in the format DD.MM.YY. The terms are listed as numbers (without the dots). Leading zeros of the terms are suppressed. A210888

Least number·such that xⁿ has n digits equal to k. Case k = 2. A285449

Smallest palindromic multiple of 2·n-1 beginning with the digit string of 2·n-1; or 0 if no such number exists. A83964