Properties of the Number 31402

Thirty-One Thousand Four Hundred Two

Basics

Value: 31401 → 31402 → 31403

Parity: even

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 2243

Divisors: 1, 2, 7, 14, 2243, 4486, 15701, 31402

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101010101010

Octal: 75252

Duodecimal: 1620A

Hexadecimal: 7aaa

Square: 986085604

Square Root: 177.2060947033143

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 whose digits are a permutation of [0,...,n] and which contain the product of any two adjacent digits as a substring. A203569

Numbers that are the sum of four third powers in eight or more ways. A345152

Numbers that are the sum of four third powers in seven or more ways. A345150

Numbers that are the sum of four third powers in exactly eight ways. A345153

a(n) = A007318 * [1, 6, 14, 9, 0, 0, 0, ...]. A143690

Numbers k such that 10^k - 123456789 is prime. A248350

In base 5, numbers n which have 5 distinct digits, do not start with 0, and have property that the product (written in base 5) of any two adjacent digits is a substring of n. A210016

a(2n) = 2ⁿ, a(2n+1) = 2²ⁿ. A79102

Sum of terms in period of continued fraction for sqrt(a(n)) increases. A31402