Properties of the Number 90478

Ninety Thousand Four Hundred Seventy-Eight

Basics

Value: 90477 → 90478 → 90479

Parity: even

Prime: No

Previous Prime: 90473

Next Prime: 90481

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 19 × 2381

Divisors: 1, 2, 19, 38, 2381, 4762, 45239, 90478

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000101101110

Octal: 260556

Duodecimal: 4443A

Hexadecimal: 1616e

Square: 8186268484

Square Root: 300.7956116701173

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 permutations σ of {1,2,...,n} such that σ(i) divides i or i divides σ(i) for 1 <= i <= n. A320843

a(1) = 1; for n>=1, a(n+1) is the least number such that the concatenation of a(n), n and a(n+1) is prime. A90478