Properties of the Number 22003

Twenty-Two Thousand Three

Basics

Value: 22002 → 22003 → 22004

Parity: odd

Prime: Yes

Previous Prime: 21997

Next Prime: 22013

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 22003

Divisors: 1, 22003

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101010111110011

Octal: 52763

Duodecimal: 10897

Hexadecimal: 55f3

Square: 484132009

Square Root: 148.33408239511243

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

Primes having only {0, 2, 3} as digits. A260125

a(n) = 15·n² + 9·n + 1. A134153

G.f. A(x) satisfies: R(x²*A(x)) = x³ - x⁴, where R(A(x)) = x. A350433

T(n, 2·n-3), T given by A027960. A27965

a[n] is the 5th term in Euclid-Mullin (EM) prime sequence initiated with n-th prime. A94461

Lexicographically earliest sequence of distinct prime terms such that the English names of the entries form the sequence A000040 (the prime numbers). See how in the Comments section. A345713

Primes p such that continued fraction of (1 + sqrt(p))/2 has period 6: primes in A146331. A146351

Numbers that require three steps to collapse to a single digit in base 4 (written in base 4). A253953

Start with a(1)=2; to get a(n+1) insert in a(n) the smallest possible digit at the rightmost possible position such that the new number is a prime. A357436

Primes of the form 9·k²-10·k+3. A154261