Properties of the Number 87932

Eighty-Seven Thousand Nine Hundred Thirty-Two

Basics

Value: 87931 → 87932 → 87933

Parity: even

Prime: No

Previous Prime: 87931

Next Prime: 87943

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 13 × 19 × 89

Divisors: 1, 2, 4, 13, 19, 26, 38, 52, 76, 89

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101011101111100

Octal: 253574

Duodecimal: 42A78

Hexadecimal: 1577c

Square: 7732036624

Square Root: 296.53330335731266

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 n X n 0..k symmetric arrays with every row summing to floor(n·k/2). A213800

Numerator of next-best approximation to harmonic numbers. a(n) = Numerator of (A055573(n)-1)th convergent of n-th harmonic number, ∑_k=1..n 1/k. A113123

Number of 5 X 5 0..n symmetric arrays with all rows summing to floor(n·5/2). A213803

Number of n X n 0..3 symmetric arrays with every row summing to floor(n·3/2). A213795

Number of ways of arranging the numbers 1 ... 11n into an 11 X n array so there is exactly one local maximum. A87932