Properties of the Number -675405

Six Hundred Seventy-Five Thousand Four Hundred Five

Basics

Value: -675406 → -675405 → -675404

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 5003

Divisors: 1, 3, 5, 9, 15, 27, 45, 135, 5003, 15009

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10100100111001001101

Octal: -2447115

Duodecimal: -286A39

Hexadecimal: -a4e4d

Square: 456171914025

Square Root: 821.8302744484411

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 0..n arrays of length 5 with each element differing from at least one neighbor by 2 or more, starting with 0. A221516

a(1)=3; a(n)=first odd number greater than a(n-1) such that 2·a(n)-1 is prime and a(i)+a(n)-1 is prime for all 1<=i<=n-1. A120403