Properties of the Number 2504

Two Thousand Five Hundred Four

Basics

Value: 2503 → 2504 → 2505

Parity: even

Prime: No

Previous Prime: 2503

Next Prime: 2521

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 313

Divisors: 1, 2, 4, 8, 313, 626, 1252, 2504

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 100111001000

Octal: 4710

Duodecimal: 1548

Hexadecimal: 9c8

Square: 6270016

Square Root: 50.039984012787215

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: Yes

Fermat Number: No

Cullen Number: No

OEIS Sequences

Monotonic ordering of set S generated by these rules: if·and y are in S then x² + y² is in S, and 1 is in S. A192476

a(n) = n² + 4. A87475

Triangle read by rows giving number of arrangements of k dumbbells on 2 X n grid (n >= 0, k >= 0). A46741

Years in which there are five Fridays in the month of February. A141287

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 3 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 3 6 or 7. A252532

Friedman numbers: can be written in a nontrivial way using their digits and the operations + - * / ^ and concatenation of digits (but not of results). A36057

Conjecturally largest even integer which is an unordered sum of two primes in exactly n ways. A954

Numbers whose set of base 5 digits is {0,4}. A97251

Arrays of dumbbells. A2889

Number of partitions of n where the difference between consecutive parts is at most 5. A238865