Properties of the Number 22031

Twenty-Two Thousand Thirty-One

Basics

Value: 22030 → 22031 → 22032

Parity: odd

Prime: Yes

Previous Prime: 22027

Next Prime: 22037

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 22031

Divisors: 1, 22031

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101011000001111

Octal: 53017

Duodecimal: 108BB

Hexadecimal: 560f

Square: 485364961

Square Root: 148.4284339336638

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 integer partitions of n such that (length) * (maximum) > 2·n. A361907

a(n) is the smallest·such that the quotient d(x+1)/d(x) equals n, where d = A000005. A80371

a(n) is the n-th prime whose decimal expansion begins with the decimal expansion of n. A77345

a(n) is the smallest prime p such that p + 1 has 2n divisors. A340799

Record high points in A386487. A386488

Primes p such that continued fraction of (1 + sqrt(p))/2 has period 8; primes in A146333. A146353

a(n) = 49·n² - 78·n + 31. A157368

a(n+1) is the smallest prime > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(1)=2. A242904

Fourth Lie-Betti number of a path graph on n vertices. A362007

Row sums of unsigned N(4) staircase array A062751. A62752