Properties of the Number 2449

Two Thousand Four Hundred Forty-Nine

Basics

Value: 2448 → 2449 → 2450

Parity: odd

Prime: No

Previous Prime: 2447

Next Prime: 2459

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 31 × 79

Divisors: 1, 31, 79, 2449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100110010001

Octal: 4621

Duodecimal: 1501

Hexadecimal: 991

Square: 5997601

Square Root: 49.48737212663449

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) = n + (n+1)². A28387

a(n) = 2·n² - 1. A56220

Centered 16-gonal numbers. A69129

Second heptagonal numbers: a(n) = n*(5·n+3)/2. A147875

Numbers that are the sum of 9 positive 7th powers. A3376

a(0) = 0 and then alternately even and odd numbers in increasing order such that the sum of any two successive terms is a square. A77221

Number of compositions p(1)+p(2)+...+p(k) = n such that for no part p(i) = i (compositions without fixed points). A238351

Triangle T(n,k) read by rows: T(n,k) is the number of compositions of n with k parts p at position p (fixed points), n>=0, 0<=k<=A003056(n). A238350

Heinz numbers of integer partitions with as many even parts as odd parts and as many even conjugate parts as odd conjugate parts. A350946

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits. A262472