Properties of the Number 4950

Four Thousand Nine Hundred Fifty

Basics

Value: 4949 → 4950 → 4951

Parity: even

Prime: No

Previous Prime: 4943

Next Prime: 4951

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 ² × 11

Divisors: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1001101010110

Octal: 11526

Duodecimal: 2A46

Hexadecimal: 1356

Square: 24502500

Square Root: 70.35623639735144

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

Numbers k such that (35·10^k - 11)/3 is prime. A268448

Triangle of Narayana numbers T(n,k) = C(n-1,k-1)*C(n,k-1)/k with 1 <= k <= n, read by rows. Also called the Catalan triangle. A1263

Binomial coefficients C(100,n). A17816

Triangle of Narayana (A001263) with 0 <= k <= n, read by rows. A90181

a(n) = n² * (n² - 1)/2. A83374

Kaprekar numbers: positive numbers n such that n = q+r and n² = q·10^m+r, for some m >= 1, q >= 0 and 0 <= r < 10^m, with n ≠ 10^a, a >= 1. A6886

5 times triangular numbers: a(n) = 5·n*(n+1)/2. A28895

Triangle read by rows: T(n,k) gives the number of set partitions of {1,...,n} with maximum block length k. A80510

a(n) = binomial(n,3)*binomial(n-1,3)/4. A6542

Coefficient triangle of certain polynomials N(5; m,x). A62190