Properties of the Number 23285

Twenty-Three Thousand Two Hundred Eighty-Five

Basics

Value: 23284 → 23285 → 23286

Parity: odd

Prime: No

Previous Prime: 23279

Next Prime: 23291

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 4657

Divisors: 1, 5, 4657, 23285

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101011110101

Octal: 55365

Duodecimal: 11585

Hexadecimal: 5af5

Square: 542191225

Square Root: 152.59423318068085

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

T(n,k)=Number of nXk 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing. A223949

T(n,k)=Number of nXk binary arrays with the number of 0-1 adjacencies equal to the number of 0-0 adjacencies. A183262

Expansion of (theta₃(x) - 1)⁵ / (16 * (3 - theta₃(x))). A347808

Number of n-digit 5th powers. A216655

Triangle read by rows: T(n,k) is the number of fundamental one-dimensional discrete statistical models with rational maximum likelihood estimator supported on the n-dimensional probability simplex and of degree 2n-k (n>=1, 1<=k<=n). A386841

Number of nX4 binary arrays with the number of 0-1 adjacencies equal to the number of 0-0 adjacencies. A183259

Number of nX5 binary arrays with the number of 0-1 adjacencies equal to the number of 0-0 adjacencies. A183260

Number of n X 3 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing. A223944

Forests of binary shrubs on 3n vertices avoiding 321. A257995

Expansion of 1/(1 - x/(1 - x⁵/(1 - x¹⁴/(1 - x³⁰/(1 - x⁵⁵/(1 - ... - x^k*(k+1*(2·k+1)/6)/(1 - ...))))))), a continued fraction. A295073