Properties of the Number 90844

Ninety Thousand Eight Hundred Forty-Four

Basics

Value: 90843 → 90844 → 90845

Parity: even

Prime: No

Previous Prime: 90841

Next Prime: 90847

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 13 × 1747

Divisors: 1, 2, 4, 13, 26, 52, 1747, 3494, 6988, 22711

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10110001011011100

Octal: 261334

Duodecimal: 446A4

Hexadecimal: 162dc

Square: 8252632336

Square Root: 301.40338418803464

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

Take pairs (a, b), sorted on a, such that T(a)+T(b)=concatenation of a and b, where T(k) is the k-th triangular number A000217(k). Sequence gives values of a. A96031

Square array of numbers read by antidiagonals with T(n,k)=((k+3)(k+1)ⁿ-2·0ⁿ)/(k+1). A90844