Properties of the Number 90890

Ninety Thousand Eight Hundred Ninety

Basics

Value: 90889 → 90890 → 90891

Parity: even

Prime: No

Previous Prime: 90887

Next Prime: 90901

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 61 × 149

Divisors: 1, 2, 5, 10, 61, 122, 149, 298, 305, 610

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110001100001010

Octal: 261412

Duodecimal: 44722

Hexadecimal: 1630a

Square: 8260992100

Square Root: 301.4796842243271

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

a(n) = (9·n+1)*(9·n+8). A1534

Trajectory of 1 under map n->39n+1 if n odd, n->n/2 if n even. A33975

30·a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 11. A90890