Properties of the Number 57990

Fifty-Seven Thousand Nine Hundred Ninety

Basics

Value: 57989 → 57990 → 57991

Parity: even

Prime: No

Previous Prime: 57977

Next Prime: 57991

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 1933

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 1933, 3866

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110001010000110

Octal: 161206

Duodecimal: 29686

Hexadecimal: e286

Square: 3362840100

Square Root: 240.8111293109187

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

Composite numbers n such that if x = σ(n)-φ(n)-n then n = σ(x)-φ(x)-x. A238225

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,49. A64261

Leading digit of 2ⁿ. A8952

Number of 4Xn 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order. A267669

Positions of 00 in A057985. A57990