Properties of the Number 5405

Five Thousand Four Hundred Five

Basics

Value: 5404 → 5405 → 5406

Parity: odd

Prime: No

Previous Prime: 5399

Next Prime: 5407

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 23 × 47

Divisors: 1, 5, 23, 47, 115, 235, 1081, 5405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010100011101

Octal: 12435

Duodecimal: 3165

Hexadecimal: 151d

Square: 29214025

Square Root: 73.5187051028512

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

5 times triangular numbers: a(n) = 5·n*(n+1)/2. A28895

Ruth-Aaron numbers (1): sum of prime divisors of n = sum of prime divisors of n+1. A6145

Ruth-Aaron numbers (2): sum of prime divisors of n = sum of prime divisors of n+1 (both taken with multiplicity). A39752

Number of "ON" cells after n-th stage in simple 2-dimensional cellular automaton (see Comments for precise definition). A160117

Number of different prime signatures of the m values when A056239(m) is equal to n. A88887

Number of regions in a square when n internal squares are drawn between the 4n points that divide each side into n+1 equal parts. A357058

Cupolar numbers: a(n) = (n+1)*(5·n² + 7·n + 3)/3. A96000

Total number of square parts in all partitions of n. A73336

Pseudoprimes to base 8, written in base 8. A262105

a(n) = floor(binomial(n,3)/3). A11849