Properties of the Number 40304

Forty Thousand Three Hundred Four

Basics

Value: 40303 → 40304 → 40305

Parity: even

Prime: No

Previous Prime: 40289

Next Prime: 40343

Digit Sum: 11

Digital Root: 2

Palindrome: Yes

Factorization: 2 ⁴ × 11 × 229

Divisors: 1, 2, 4, 8, 11, 16, 22, 44, 88, 176

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110101110000

Octal: 116560

Duodecimal: 1B3A8

Hexadecimal: 9d70

Square: 1624412416

Square Root: 200.75856146127367

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) = 8·7*6·5*4·3*2·1 - 16·15·14·13·12·11·10·9 + 24·23·22·21·20·19·18·17 - ... + (up to the n-th term). A319891

a(n) is the smallest palindrome > a(n-1) such that a(1)+a(2)+...+a(n) is a prime. A51934

Palindromes with exactly 6 prime factors (counted with multiplicity). A46332

a(n) = n*(n + 1)*(7·n + 5)/6. A304993

E.g.f.: 2·cosh(1) - ∑_n>=0 (1 + xⁿ)ⁿ * exp(-xⁿ) / n!. A326426

Multiples of 11 with digit sum 11, with no zero digits in odd places. A83512

Palindromes in A083512. A83513

Palindromic primes in base 5 (written in base 5). A117700

Palindromes that are the sum of two positive cubes. A162710

Palindromes that start with 4. A43039