Properties of the Number 31393

Thirty-One Thousand Three Hundred Ninety-Three

Basics

Value: 31392 → 31393 → 31394

Parity: odd

Prime: Yes

Previous Prime: 31391

Next Prime: 31397

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 31393

Divisors: 1, 31393

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101010100001

Octal: 75241

Duodecimal: 16201

Hexadecimal: 7aa1

Square: 985520449

Square Root: 177.18069872308325

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

The number of vertices in a Farey diagram of order (n,n). A358883

Prime numbers that are the sum of three distinct positive fourth powers. A126657

Lower prime of a record difference between it and the second prime after it. A31133

Let N(p,i) denote the result of applying "nextprime" i times to p; a(n) = smallest prime p such that N(p,2) - p = 2·n, or -1 if no such prime exists. A144103

Primes with exactly three 3's. A178552

Primes that remain prime through 3 iterations of function f(x) = 5x + 2. A23283

Primes where every other digit is 3 starting with the rightmost digit, and no other digit is 3. A348559

Primes in which the digit string can be partitioned into three parts such that third (least significant) part is the product of the first two. A88294

Let N(p,i) denote the result of applying "nextprime" i times to p; a(n) = smallest prime p such that N(p,3) - p = 2·n, or -1 if no such prime exists. A339943

Smallest prime obtained by sandwiching prime(n) between identical digits, except that a(5) = 0. A90268