Properties of the Number 40945

Forty Thousand Nine Hundred Forty-Five

Basics

Value: 40944 → 40945 → 40946

Parity: odd

Prime: No

Previous Prime: 40939

Next Prime: 40949

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 19 × 431

Divisors: 1, 5, 19, 95, 431, 2155, 8189, 40945

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111111110001

Octal: 117761

Duodecimal: 1B841

Hexadecimal: 9ff1

Square: 1676493025

Square Root: 202.34870891606894

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

A007318 * [1, 2, 2, 3, 2, 3, 2, 3, 2, ...]. A133124

A007318^-5 * A001286, 5th inverse binomial transform of the Lah numbers. A135218

Numbers k such that k!6 + 4 is prime, where k!6 is the sextuple factorial number (A085158 ). A287914

Continued fraction for sqrt(977). A40945