Properties of the Number -80089

Eighty Thousand Eighty-Nine

Basics

Value: -80090 → -80089 → -80088

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 283 ²

Divisors: 1, 283, 80089

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011100011011001

Octal: -234331

Duodecimal: -3A421

Hexadecimal: -138d9

Square: 6414247921

Square Root: 283

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

Composite and every divisor (except 1) contains the digit 8. A62678

Squares whose arithmetic mean of digits is an integer (i.e., the sum of digits is a multiple of the number of digits). A69711

a(n) = (11·n + 8)². A17486

Squares with initial digit '8'. A45792

Discriminants of cyclic cubic fields. A343000

Discriminants with exactly 1 associated cyclic cubic field. A343022

If F is the Fermat point of a triangle ABC with A < B < C < 2*π/3, where AB, BC, CA, FA, FB and FC are all positive integers, then, this sequence gives the sum FA + FB + FC when gcd(a, b, c) = A351477(n). A351476

Squares of the form prime(k)*prime(k+1) + 2·prime(k+1). A108604

Triangle in which n-th row contains n smallest squares beginning with n. A77346

Final terms of rows of A077346. A77347