Properties of the Number 68443

Sixty-Eight Thousand Four Hundred Forty-Three

Basics

Value: 68442 → 68443 → 68444

Parity: odd

Prime: Yes

Previous Prime: 68437

Next Prime: 68447

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 68443

Divisors: 1, 68443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101101011011

Octal: 205533

Duodecimal: 33737

Hexadecimal: 10b5b

Square: 4684444249

Square Root: 261.6161310011292

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

Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k levels. A level in a bargraph is a maximal sequence of two or more adjacent horizontal steps; it is preceded and followed by either an up step or a down step. A273344

Numbers n such that the decimal expansion of n² contains n+1. A282384

Primes p such that p+6, p-6, 2·p+3 and 2·p-3 are prime. A356079

Primes of the form 5n² - 2. A201784

Primes such that the next n successive differences are identical. A87562

Numbers k such that the square of k contains σ(k) as a substring, in base 10. A113654

Triangular numbers which are the product of two primes. A68443