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Properties of the Number 27293

Twenty-Seven Thousand Two Hundred Ninety-Three

Basics

Value: 27292 → 27293 → 27294

Parity: odd

Prime: No

Previous Prime: 27283

Next Prime: 27299

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 2 × 557

Divisors: 1, 7, 49, 557, 3899, 27293

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110101010011101

Octal: 65235

Duodecimal: 13965

Hexadecimal: 6a9d

Square: 744907849

Square Root: 165.20593209688326

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

Number of primes <= 10n/2. A122121
Composite numbers whose prime factors contain no digits other than 5 and 7. A36320
Fibonacci sequence beginning 5, 14. A22139
Sequence starting with 1 such that the sum of any two distinct terms has three distinct prime factors. A181622
Number of primes up to 10n/4. A210518
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 813", based on the 5-celled von Neumann neighborhood. A273640
Triangle read by rows: T(n,k) is the coefficient of xk in the ZZ polynomial of the hexagonal graphene flake O(3,3,n). A338158
Triangle read by rows: T(n,k) is the coefficient of xk in the ZZ polynomial of the hexagonal graphene flake O(3,4,n). A338244
Triangular array given by rows: P(n,k) is the number of partitions of n that contain k as a part. A27293
Number of n X 5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 2 neighboring 1's. A297503