Properties of the Number 49136

Forty-Nine Thousand One Hundred Thirty-Six

Basics

Value: 49135 → 49136 → 49137

Parity: even

Prime: No

Previous Prime: 49123

Next Prime: 49139

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 37 × 83

Divisors: 1, 2, 4, 8, 16, 37, 74, 83, 148, 166

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111111110000

Octal: 137760

Duodecimal: 24528

Hexadecimal: bff0

Square: 2414346496

Square Root: 221.66641603995856

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*(3·n² - 1)/2. A4188

Triangle of Euler-Bernoulli or Entringer numbers read by rows: T(n,k) is the number of down-up permutations of n+1 starting with k+1. A8282

a(n) = 3·2ⁿ - n - 2. A79583

Triangle of Euler-Bernoulli or Entringer numbers. A10094

a(n) = 3·a(n-1) - 2·a(n-2) with a(0)=32 and a(1)=80. A182466

Number of down-up permutations of n+3 starting with n+1. A6212

a(n) = 36·n² - 4·n (n>=1). A304380

Triangle in which rows are permutations of the rows of A008282. A64192

The infinite Seidel matrix H read by antidiagonals upwards; H = (H(n,k): n,k >= 0). A236935

Related to Euler numbers, expansion of e.g.f. sec(x)*tan²(x). A2735