Properties of the Number -251381

Two Hundred Fifty-One Thousand Three Hundred Eighty-One

Basics

Value: -251382 → -251381 → -251380

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 61 × 317

Divisors: 1, 13, 61, 317, 793, 4121, 19337, 251381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111101010111110101

Octal: -752765

Duodecimal: -101585

Hexadecimal: -3d5f5

Square: 63192407161

Square Root: 501.3790980884624

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

T(n,k)=Number of nXk binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing. A266428

Number of 5Xn binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing. A266431

Number of nX7 binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing. A266427