Properties of the Number 445

Four Hundred Forty-Five

Basics

Value: 444 → 445 → 446

Parity: odd

Prime: No

Previous Prime: 443

Next Prime: 449

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 × 89

Divisors: 1, 5, 89, 445

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111101

Octal: 675

Duodecimal: 311

Hexadecimal: 1bd

Square: 198025

Square Root: 21.095023109728988

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 Look-and-Say partitions of n; see Comments. A239455

Number of condensed integer partitions of n. A239312

a(n) = 10·n + 5. A17329

a(n) = 4*(n+1)*n + 5. A78370

Coordination sequence for "cab" 3D uniform tiling formed from octahedra and truncated cubes. A299266

Coordination sequence for "ubt" 3D uniform tiling. A299291

Number of integer partitions of n containing three parts (a,b,c) (repeats allowed) such that a + b = c. A variation of sum-full partitions. A363225

Number of primes < n². A38107

a(n) = 12·n + 1. A17533

a(n) = n² + 4. A87475