Properties of the Number 22351

Twenty-Two Thousand Three Hundred Fifty-One

Basics

Value: 22350 → 22351 → 22352

Parity: odd

Prime: No

Previous Prime: 22349

Next Prime: 22367

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 31 × 103

Divisors: 1, 7, 31, 103, 217, 721, 3193, 22351

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011101001111

Octal: 53517

Duodecimal: 10B27

Hexadecimal: 574f

Square: 499567201

Square Root: 149.5025083401613

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

a(n) = p² + p + 1 where p runs through the primes. A60800

Numbers that are repdigits with length > 2 in more than one base. A167783

Trajectory of 18 under iteration of the map k -> A087712(k). A77960

Numbers m such that β(m) = τ(m)/2 + 1 where β(m) is the number of Brazilian representations of m and τ(m) is the number of divisors of m. A326381

Non-oblong composites m such that β(m) = τ(m)/2 + 1 where β(m) is the number of Brazilian representations of m and τ(m) is the number of divisors of m. A326388

Number of vertices in truncated tetrahedron with faces that are centered polygons. A193218

Numbers k > 1 such that k mod ord2(k) is even, where ord2(k) is the order of 2 mod k. A36260

Products of three distinct happy primes A035497. A154717

Quasi-Carmichael numbers to base -5: squarefree composites n such that prime p∣n ==> p+5∣n+5. A29565

Triangle read by rows: T(i,j) = (T(i-1,j) + i)*i. A121682