Properties of the Number 68279

Sixty-Eight Thousand Two Hundred Seventy-Nine

Basics

Value: 68278 → 68279 → 68280

Parity: odd

Prime: Yes

Previous Prime: 68261

Next Prime: 68281

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 68279

Divisors: 1, 68279

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000101010110111

Octal: 205267

Duodecimal: 3361B

Hexadecimal: 10ab7

Square: 4662021841

Square Root: 261.30250668525935

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 k such that binomial(5k, k) + 1 is prime. A125243

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 57", based on the 5-celled von Neumann neighborhood. A278661

Primes p such that both prevprime(p²) - 2 and nextprime(p²) + 2 are also primes. A226986

Number of elements in the set {(x,y): 1 <= x,y <= n, gcd(x,y)=1}. A18805

1/12 the number of colorings of an n X n rhombic hexagonal array with 12 colors. A68279