Properties of the Number 901

Nine Hundred One

Basics

Value: 900 → 901 → 902

Parity: odd

Prime: No

Previous Prime: 887

Next Prime: 907

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 17 × 53

Divisors: 1, 17, 53, 901

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000101

Octal: 1605

Duodecimal: 631

Hexadecimal: 385

Square: 811801

Square Root: 30.01666203960727

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) = n² + 1. A2522

Centered triangular numbers: a(n) = 3·n*(n-1)/2 + 1. A5448

Generalized octagonal numbers: k*(3·k-2), k=0, +- 1, +- 2, +-3, ... A1082

Number of fractions in Farey series of order n. A5728

a(n) = binomial(n+1, 2) + n - 1 = n*(n+3)/2 - 1. A34856

Rhombic matchstick numbers: a(n) = n*(3·n+2). A45944

a(n) = 4·n² + 1. A53755

a(n) = floor(n²/3). A212

Coordination sequence for "cab" 3D uniform tiling formed from octahedra and truncated cubes. A299266

Number of points of norm <= n² in square lattice. A328