Properties of the Number 83

Eighty-Three

Basics

Value: 82 → 83 → 84

Parity: odd

Prime: Yes

Previous Prime: 79

Next Prime: 89

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 83

Divisors: 1, 83

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1010011

Octal: 123

Duodecimal: 6B

Hexadecimal: 53

Square: 6889

Square Root: 9.1104335791443

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: Yes

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

The prime numbers. A40

Squarefree numbers: numbers that are not divisible by a square greater than 1. A5117

The odd numbers: a(n) = 2·n + 1. A5408

Gpf(n): greatest prime dividing n, for n >= 2; a(1)=1. A6530

Powers of primes. Alternatively, 1 and the prime powers (p^k, p prime, k >= 1). A961

Lpf(n): least prime dividing n (when n > 1); a(1) = 1. Or, smallest prime factor of n, or smallest prime divisor of n. A20639

Prime numbers at the beginning of the 20th century (today 1 is no longer regarded as a prime). A8578

Read n backwards (referred to as R(n) in many sequences). A4086

Numbers k such that 10·R_k + 3 is prime, where R_k is the repunit (A002275) of length k. A56654

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

We use cookies

Some cookies are essential for Natory to function, like keeping you signed in. We also use optional cookies to understand how the app is used and improve it over time. Learn more in our Privacy Policy. You can manage your preferences anytime.