Properties of the Number 90420

Ninety Thousand Four Hundred Twenty

Basics

Value: 90419 → 90420 → 90421

Parity: even

Prime: No

Previous Prime: 90407

Next Prime: 90437

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 11 × 137

Divisors: 1, 2, 3, 4, 5, 6, 10, 11, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110000100110100

Octal: 260464

Duodecimal: 443B0

Hexadecimal: 16134

Square: 8175776400

Square Root: 300.6991852333491

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

Coefficient of q¹ in ν(n), where ν(0)=1, ν(1)=b and, for n>=2, ν(n)=b*ν(n-1)+λ*(1+q+q²+...+q^n-2)*ν(n-2) with (b,λ)=(2,3). A74087

Number of partitions of the faces of the n-th Johnson solid into 2 connected subsets. A390001

Numbers having a unique representation as concatenation of primes in binary. A90420

Number of n X 3 0..5 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totaling five exactly once. A269883