Properties of the Number 293

Two Hundred Ninety-Three

Basics

Value: 292 → 293 → 294

Parity: odd

Prime: Yes

Previous Prime: 283

Next Prime: 307

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 293

Divisors: 1, 293

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100100101

Octal: 445

Duodecimal: 205

Hexadecimal: 125

Square: 85849

Square Root: 17.11724276862369

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

Pythagorean primes: primes of the form 4·k + 1. A2144

Sophie Germain primes p: 2p+1 is also prime. A5384

Primes of the form 2x² + 2xy + 17y². A139827

Number of alternating compositions, i.e., compositions with alternating increases and decreases, starting with either an increase or a decrease. A25047

Primes with primitive root 2. A1122

Finitary numbers. Matula-Goebel numbers of rooted identity trees. A276625

Primes congruent to 1 or 2 modulo 4; or, primes of form x² + y²; or, -1 is a square mod p. A2313

Primes of the form 3n-1. A3627

Primes of the form 6k-1. A7528

Ordered hypotenuses (with multiplicity) of primitive Pythagorean triangles. A20882