Properties of the Number -115561

One Hundred Fifteen Thousand Five Hundred Sixty-One

Basics

Value: -115562 → -115561 → -115560

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 115561

Divisors: 1, 115561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -11100001101101001

Octal: -341551

Duodecimal: -56A61

Hexadecimal: -1c369

Square: 13354344721

Square Root: 339.9426422207135

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+1)X(k+1) 0..2 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock equal. A237167

Primes having only {1, 5, 6} as digits. A385779

Number of (n+1) X (1+1) 0..2 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2 X 2 subblock equal. A237160

Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock equal. A237166

Centered 20-gonal (or icosagonal) primes. A264845

Numbers k such that 7·10^k + 79 is prime. A282250