Properties of the Number 50405

Fifty Thousand Four Hundred Five

Basics

Value: 50404 → 50405 → 50406

Parity: odd

Prime: No

Previous Prime: 50387

Next Prime: 50411

Digit Sum: 14

Digital Root: 5

Palindrome: Yes

Factorization: 5 × 17 × 593

Divisors: 1, 5, 17, 85, 593, 2965, 10081, 50405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100010011100101

Octal: 142345

Duodecimal: 25205

Hexadecimal: c4e5

Square: 2540664025

Square Root: 224.51057881534223

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

Numbers that are palindromic and divisible by 5. A43040

Palindromes of form k² + k + 5. A27728

Triangle read by rows in which row n gives n smallest n-digit multiples of n that are palindromes. A84024

Diagonal of A084024. A84026

Number of square twice-partitions of n. A306318

Numerators of continued fraction convergents to sqrt(875). A42690

a(n) = n * (11·n² + 6·n + 1) / 6. A215646

Expansion of ∏_k>=1 (1 - (x/(1+x))^k). A307548

Diagonal sums of number triangle A113582. A154324

Numbers k with squares that are concatenations k² = x//y such that·is an anagram of y. A162945