Properties of the Number 22345

Twenty-Two Thousand Three Hundred Forty-Five

Basics

Value: 22344 → 22345 → 22346

Parity: odd

Prime: No

Previous Prime: 22343

Next Prime: 22349

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 41 × 109

Divisors: 1, 5, 41, 109, 205, 545, 4469, 22345

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011101001001

Octal: 53511

Duodecimal: 10B21

Hexadecimal: 5749

Square: 499299025

Square Root: 149.4824404403407

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 k such that σ(φ(k)) - φ(σ(k)) is nonzero and divisible by σ(k), that is A065395(k)/A000203(k) is a nonzero integer. A92588

Expansion of (5 - 9·x + 6·x²)/(1-x)⁴. A80957

Primitive terms of A338890. A338892

Numbers whose sum of even digits and sum of odd digits are equal and whose digits are in nondecreasing order. A340125

Append three digits, each increasing by one modulo 10 from the last digit of the nonnegative integers. 0 -> 123, 1 -> 1234 2 -> 2345, ... , 9 -> 9012, 10 -> 10123, etc. A167231

Numbers whose digits are in nondecreasing order in bases 9 and 10. A329299

Fibonacci sequence beginning 0, 11. A22345

Numbers which are both centered square and decagonal numbers. A133142

Arises in partition theory. A92032