Properties of the Number 28122

Twenty-Eight Thousand One Hundred Twenty-Two

Basics

Value: 28121 → 28122 → 28123

Parity: even

Prime: No

Previous Prime: 28111

Next Prime: 28123

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 43 × 109

Divisors: 1, 2, 3, 6, 43, 86, 109, 129, 218, 258

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110111011010

Octal: 66732

Duodecimal: 14336

Hexadecimal: 6dda

Square: 790846884

Square Root: 167.69615380204758

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

Smallest sets of 7 consecutive abundant numbers in arithmetic progression. The initial abundant number is listed. A228964

Starting positions of strings of three 9's in the decimal expansion of π. A83642

Numbers n such that the sum of the triangular numbers T(n) and T(n+1) is equal to the sum of the octagonal numbers N(m) and N(m+1) for some m. A251793

Expansion of 1/((1-4x)(1-5x)(1-8x)(1-11x)). A28122