Properties of the Number 56990

Fifty-Six Thousand Nine Hundred Ninety

Basics

Value: 56989 → 56990 → 56991

Parity: even

Prime: No

Previous Prime: 56989

Next Prime: 56993

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 41 × 139

Divisors: 1, 2, 5, 10, 41, 82, 139, 205, 278, 410

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101111010011110

Octal: 157236

Duodecimal: 28B92

Hexadecimal: de9e

Square: 3247860100

Square Root: 238.725784112232

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

Eighth diagonal (m=7) of triangle A084938; a(n) = A084938(n+7,n) = (n⁷ + 63·n⁶ + 1855·n⁵ + 34125·n⁴ + 438424·n³ + 3980172·n² + 20946960·n)/5040. A90393

Number of nX6 0..1 arrays with every element unequal to 1, 2, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A305514

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A305516

Number of nonsingular n X n (-1,1)-matrices. A56990

Number of Maclaurin polynomials p(2m,x) of cos(x) that have exactly n positive zeros. A332325

Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000101 00010101 or 01010101. A260014

We use cookies

Some cookies are essential for Natory to function, like keeping you signed in. We also use optional cookies to understand how the app is used and improve it over time. Learn more in our Privacy Policy. You can manage your preferences anytime.