Properties of the Number 90651

Ninety Thousand Six Hundred Fifty-One

Basics

Value: 90650 → 90651 → 90652

Parity: odd

Prime: No

Previous Prime: 90647

Next Prime: 90659

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 11 × 41 × 67

Divisors: 1, 3, 11, 33, 41, 67, 123, 201, 451, 737

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110001000011011

Octal: 261033

Duodecimal: 44563

Hexadecimal: 1621b

Square: 8217603801

Square Root: 301.0830450224655

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

Numbers n such that there is k < n for which A003557(k) = A003557(n), A048250(k) = A048250(n) and A173557(k) = A173557(n). A296087

Denominators of continued fraction convergents to sqrt(473). A41903

a(n) = 74·n² + 1. A158742

One-half of averages of twin prime pairs of A001318. A154565

Perpetual calendar sequence: There are 14 basic year calendars, 7 for normal years and 7 for leap years. This sequence identifies the calendars for years 1901 through 2099, when it reinitializes because 2100 is not a leap year. A90651