Properties of the Number 2560

Two Thousand Five Hundred Sixty

Basics

Value: 2559 → 2560 → 2561

Parity: even

Prime: No

Previous Prime: 2557

Next Prime: 2579

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁹ × 5

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101000000000

Octal: 5000

Duodecimal: 1594

Hexadecimal: a00

Square: 6553600

Square Root: 50.59644256269407

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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 of the form 2ⁱ*5^j with i, j >= 0. A3592

Number of partitions of n into distinct parts such that number of parts is odd. A67659

Sums of two distinct powers of 2. A18900

a(n) = 5·2ⁿ. A20714

Number of partitions of n into nonprime parts. A2095

Number of partitions of n into distinct parts such that number of parts is even. A67661

Numbers of the form 2^k times 1, 3 or 5. A29747

Numbers that are divisible by exactly 10 primes with multiplicity. A46314

a(0)=0, a(1)=1, a(n) = n·2^n-2 for n >= 2. A57711

a(n) = 10·n². A33583