Properties of the Number 33145

Thirty-Three Thousand One Hundred Forty-Five

Basics

Value: 33144 → 33145 → 33146

Parity: odd

Prime: No

Previous Prime: 33119

Next Prime: 33149

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 7 × 947

Divisors: 1, 5, 7, 35, 947, 4735, 6629, 33145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000000101111001

Octal: 100571

Duodecimal: 17221

Hexadecimal: 8179

Square: 1098591025

Square Root: 182.05768316662716

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

Square array T(n,k), n >= 2, k >= 2, read by antidiagonals, where T(n,k) is the number of (undirected) cycles on the n X k king graph. A339098

Number of (undirected) cycles on the n X 5 king graph. A339199

Number of (undirected) cycles on the n X 3 king graph. A339197

Number of down-steps (1,-1) among all n-length nondecreasing Dyck paths with air pockets. A358734

Reversion of y - y² + y³ - y⁴ - y⁵. A63025

The number of symmetric positive definite 2 X 2 matrices whose entries are integers of absolute value at most n. A219693

Dirichlet convolution of b_n=2^n-1 with Primes (with 1). A34736

Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0. A33145

Number of n X 1 1..4 arrays with no element with value z exactly a city block distance of z from another element with value z. A210781