Properties of the Number -81119

Eighty-One Thousand One Hundred Nineteen

Basics

Value: -81120 → -81119 → -81118

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 81119

Divisors: 1, 81119

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011110011011111

Octal: -236337

Duodecimal: -3AB3B

Hexadecimal: -13cdf

Square: 6580292161

Square Root: 284.81397437625844

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

Primes having only {1, 8, 9} as digits. A385783

Number T(n,k) of tilings of an n X k rectangle using integer-sided square tiles reduced for symmetry, where the orbits under the symmetry group of the rectangle, D2, have 4 elements; triangle T(n,k), k >= 1, 0 <= n < k, read by columns. A224867

McKay-Thompson series of class 22a for Monster. A58569

Primes such that the outer 2 digits are n and n+1 and all inner digits are 1, where 0 < n < 9. A108818

Primes p such that A272207(p) = p. A276030

a(1)=1, a(n) is the smallest integer > a(n-1) such that the sum of elements of the simple continued fraction for S(n)=1/a(1)+1/a(2)+...+1/a(n) equals n³. A71971

Primes which are 1 + strobogrammatic numbers A000787(n): the same upside down. A105268