Properties of the Number 20137

Twenty Thousand One Hundred Thirty-Seven

Basics

Value: 20136 → 20137 → 20138

Parity: odd

Prime: No

Previous Prime: 20129

Next Prime: 20143

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 13 × 1549

Divisors: 1, 13, 1549, 20137

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100111010101001

Octal: 47251

Duodecimal: B7A1

Hexadecimal: 4ea9

Square: 405498769

Square Root: 141.90489773083945

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

Sum of n-th antidiagonal of array in A082002. A82005

Number of solid standard Young tableaux with n cells, height <= 2, and depth <= 2. A384725

Sum of first n 6-almost primes. A86052

Numbers k such that 24·k-1 has at least three factors 7 and the partition function evaluated at k has at least the same number of factors 7 as 24·k-1. A340957

Super-5 Numbers (5·n⁵ contains substring '55555' in its decimal expansion). A32745

Numbers m such that 4^m-1 == 1 (mod (m-1)² + 1). A273870

Exponentiation of A132841. A132842

Numbers k such that (29·10^k - 77)/3 is prime. A280942

Take apart the sides of each of the integer-sided scalene triangles with perimeter n (at their vertices) and rearrange them orthogonally in 3-space so that their endpoints coincide at a single point. a(n) is the total volume of all rectangular prisms enclosed in this way. A308234

Pseudoprimes to base 8. A20137