Properties of the Number 33156

Thirty-Three Thousand One Hundred Fifty-Six

Basics

Value: 33155 → 33156 → 33157

Parity: even

Prime: No

Previous Prime: 33151

Next Prime: 33161

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 307

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000000110000100

Octal: 100604

Duodecimal: 17230

Hexadecimal: 8184

Square: 1099320336

Square Root: 182.08789086592222

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 n such that the decimal number concat(9,n) is a square. A273364

A binomial recursion: a(n) = p(n) (see formula). A135149

Coefficients of Jacobi Eisenstein series of index 1 and weight 8. A3783

a(n) = 18·a(n-1) - 78·a(n-2) for n > 1; a(0) = 3, a(1) = 30. A163475

Numbers n such that prime(n) - n is a prime power. A109315

a(n) = 256n² - 828n + 656 (n>=1). A304379

Number of equilateral triangles whose vertices (whether connected by lines or not) lie at intersection points resulting from drawing lines connecting every pair of vertices of a regular 3n-gon (and extending beyond the polygon). A36403

Numbers n such that the n-th prime - n is a cube. A105645

Numerator of Hermite(n, 9/19). A159647

Expansion of x*( 1+2·x-x²-6·x³ ) / ( 1-9·x²+12·x⁴ ). A176968