Properties of the Number 90005

Ninety Thousand Five

Basics

Value: 90004 → 90005 → 90006

Parity: odd

Prime: No

Previous Prime: 90001

Next Prime: 90007

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 47 × 383

Divisors: 1, 5, 47, 235, 383, 1915, 18001, 90005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111110010101

Octal: 257625

Duodecimal: 44105

Hexadecimal: 15f95

Square: 8100900025

Square Root: 300.0083332175958

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 n-multigraphs on 5 nodes. A63843

Array read by descending antidiagonals: A(n,k) is the number of unoriented colorings of the edges of a regular n-dimensional simplex using up to k colors. A327084

Table T(n,k) giving number of k-multigraphs on n nodes (n >= 1, k >= 0) read by antidiagonals. A63841

Array read by descending antidiagonals: T(n,k) is the number of unoriented colorings of the triangular faces of a regular n-dimensional simplex using k or fewer colors. A337884

Number of 4-multigraphs on n nodes. A53420

a(n) = 3600·n² + n. A157861

a(n) = 3·n + 1. A16777

Expansion of 1 + ∑_k>0 x^k^2/((1-x)(1-x²)...(1-x^2k)). A122129

Number of ternary (0,1,2) sequences without a consecutive '012'. A76264

Expansion of f(x, -x⁴) / φ(-x²) in powers of·where f(, ) and φ() are Ramanujan θ functions. A122135