Properties of the Number 2481

Two Thousand Four Hundred Eighty-One

Basics

Value: 2480 → 2481 → 2482

Parity: odd

Prime: No

Previous Prime: 2477

Next Prime: 2503

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 827

Divisors: 1, 3, 827, 2481

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 100110110001

Octal: 4661

Duodecimal: 1529

Hexadecimal: 9b1

Square: 6155361

Square Root: 49.80963762164909

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

Number of partitions p of n such that median(p) = mean(p). A240219

Centered pentagonal numbers: (5n²+5n+2)/2; crystal ball sequence for 3.3.3.4.4. planar net. A5891

Number of (w,x,y) such that w,x,y are all in {0,...,n} and |w-x| = |x-y|. A212959

Number of quinary sequences of length n such that no two consecutive terms have distance 1. A287804

Number of non-equivalent ways to choose two points in an equilateral triangle grid of side n. A227327

Number of integers with a shortest addition chain of length n. A3065

a(n) = 6·n² + 4·n + 1. A80859

Positions of 10 after decimal point in decimal expansion of 1/π. A134260

Odd terms in A186423. A186424

a(n) = 7ⁿ+3ⁿ-1. A155605