Properties of the Number -25402

Twenty-Five Thousand Four Hundred Two

Basics

Value: -25403 → -25402 → -25401

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 × 977

Divisors: 1, 2, 13, 26, 977, 1954, 12701, 25402

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -110001100111010

Octal: -61472

Duodecimal: -1284A

Hexadecimal: -633a

Square: 645261604

Square Root: 159.38004893963358

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 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes. A278553

a(n) = ∑_{k=0..floor(2·n/5)} (k+1) * binomial(k,2·n-5·k). A392268

a(n) = ∑_{k=0..floor(3·n/5)} (k+1) * binomial(k,3·n-5·k). A392311

Number of nX2 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes. A278548

Number of nX4 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes. A278550