Properties of the Number 40050

Forty Thousand Fifty

Basics

Value: 40049 → 40050 → 40051

Parity: even

Prime: No

Previous Prime: 40039

Next Prime: 40063

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 ² × 89

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 25

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1001110001110010

Octal: 116162

Duodecimal: 1B216

Hexadecimal: 9c72

Square: 1604002500

Square Root: 200.124960961895

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

Disk domain wall degeneracies for brane I in the O(K) -> P¹ X P¹ geometry. A61627

Least positive integer k such that prime(k)-k, prime(k)+k, prime(k·n)-k·n, prime(k·n)+k·n, prime(k)+k·n and prime(k·n)+k are all prime. A259492

House numbers (version 2): a(n) = (n+1)³ + (n+1)*∑_i=0..n i. A50509

Numbers n divisible by exactly two nontrivial permutations (rearrangements) of the digits of n. A90057

Least of four consecutive numbers which are cubefree and not squarefree, i.e., numbers k such that {k, k+1, k+2, k+3} are in A067259. A71320

a(n) = 64·n² + 2·n. A158070

Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of two or less, with rows and columns of the latter in lexicographically nondecreasing order. A227259

Numbers n such that n*(n+1)/2 is the juxtaposition of two identical strings in binary representation. A92739

Revert transform of ((x - 1)(3x - 1))/(1 - 3x + x³). A49126

Primes p such that x³ = 7 has no solution mod p. A40050