Properties of the Number 21038

Twenty-One Thousand Thirty-Eight

Basics

Value: 21037 → 21038 → 21039

Parity: even

Prime: No

Previous Prime: 21031

Next Prime: 21059

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 67 × 157

Divisors: 1, 2, 67, 134, 157, 314, 10519, 21038

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101001000101110

Octal: 51056

Duodecimal: 10212

Hexadecimal: 522e

Square: 442597444

Square Root: 145.04482065899492

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

Inverse Moebius transform of the shifted tetrahedral numbers. A116963

Sum of the seventh largest parts in the partitions of n into 10 parts. A326592

Number of partitions p of n such that (maximal multiplicity over the parts of p) = (number of numbers in p having multiplicity > 1). A241132

Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..1 array extended with zeros and convolved with 1,4,6,4,1. A221992

Start with 1 and repeatedly reverse the digits and add 37 to get the next term. A118633

Positive numbers whose square starts and ends with exactly 444. A348832

Positive numbers whose square starts and ends with exactly 44, and no 444. A348831

Decimal expansion of 1/34. A21038