Properties of the Number -7489

Four Hundred Eighty-Nine

Basics

Value: -7490 → -7489 → -7488

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7489

Divisors: 1, 7489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110101000001

Octal: -16501

Duodecimal: -4401

Hexadecimal: -1d41

Square: 56085121

Square Root: 86.53900854527974

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

Number of vertices in a regular drawing of the complete bipartite graph K_n,n. A331755

Primes of the form m² + 3m + 9, where m can be positive or negative. A5471

Mother primes of order 6. A136065

Primes congruent to 1 mod 64. A142925

Smallest prime dividing 12ⁿ + 1. A366719

Primes congruent to 19 mod 45. A142322

Primes p such that x⁸ = 2 has a solution mod p, but x^8² = 2 has no solution mod p. A70184

Primes of the form k² + prime(k). A184935

Primes p such that A001175(p) = (p-1)/9. A308794

Sequence of 2 Pythagorean triangles, each with a leg and hypotenuse prime. The leg of the second triangle is the hypotenuse of the first. A48270