Properties of the Number 22308

Twenty-Two Thousand Three Hundred Eight

Basics

Value: 22307 → 22308 → 22309

Parity: even

Prime: No

Previous Prime: 22307

Next Prime: 22343

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 11 × 13 ²

Divisors: 1, 2, 3, 4, 6, 11, 12, 13, 22, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011100100100

Octal: 53444

Duodecimal: 10AB0

Hexadecimal: 5724

Square: 497646864

Square Root: 149.35862880998874

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

Heinz numbers of integer partitions with the same number of even parts, odd parts, even conjugate parts, and odd conjugate parts. A350947

a(n) = A026615(2·n, n). A26616

a(n) = A026615(n, floor(n/2)). A26621

Heinz numbers of integer partitions with as many even parts as odd conjugate parts and as many odd parts as even conjugate parts. A351980

Product of Pell and Catalan numbers: a(n) = A000129(n+1)*A000108(n). A98616

a(n) = 13·a(n-1) - 65·a(n-2) + 156·a(n-3) - 182·a(n-4) + 91·a(n-5) - 13·a(n-6), with initial terms 6, 13, 39, 130, 455, 1638. A216508

Number of odd-length integer partitions of n with a unique mode. A363726

Composite numbers divisible by the palindromic sum of their prime factors (counted with multiplicity). A46358

a(n) = n²*(n-1)*(n-2). A47929

Number of subgroups of the group C_n X C_n X C_n (where C_n is the cyclic group of order n). A64803