Properties of the Number -71320

Seventy-One Thousand Three Hundred Twenty

Basics

Value: -71321 → -71320 → -71319

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 × 1783

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1783, 3566

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -10001011010011000

Octal: -213230

Duodecimal: -35334

Hexadecimal: -11698

Square: 5086542400

Square Root: 267.05804612480784

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

Generalized Stirling2 array (5,2). A91534

Triangle read by rows: T(n,k) is the number of weakly connected oriented graphs on n unlabeled nodes with k arcs, n >= 1, k = 0..n*(n-1)/2. A350734

Triangle read by rows: T(n,k) is the number of oriented graphs on n unlabeled nodes with k arcs, n >= 0, k = 0..n*(n-1)/2. A350733

Pisot sequence E(14,23), a(n) = floor( a(n-1)²/a(n-2)+1/2 ). A10902

Third column (k=4) sequence of array A091534 ((5,2)-Stirling2). A91740