Properties of the Number 4990

Four Thousand Nine Hundred Ninety

Basics

Value: 4989 → 4990 → 4991

Parity: even

Prime: No

Previous Prime: 4987

Next Prime: 4993

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 499

Divisors: 1, 2, 5, 10, 499, 998, 2495, 4990

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001101111110

Octal: 11576

Duodecimal: 2A7A

Hexadecimal: 137e

Square: 24900100

Square Root: 70.63993204979744

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

Number of connected induced (non-null) subgraphs of the web graph with 3n nodes. A286187

Tribonacci-like sequence; a(0)=2, a(1)=1, a(2)=1, a(n) = a(n-1) + a(n-2) + a(n-3). A141036

Maximal number of pieces obtained by slicing a torus (or a bagel) with n cuts: (n³ + 3·n² + 8·n)/6 (n > 0). A3600

T(n,k)=Number of lower triangles of an n X n 0..k array with each element differing from all of its horizontal and vertical neighbors by one. A194998

Numbers k with the property that the average digit of k² is 2. A164770

Count of the first 10ⁿ primes containing at least one 9's digit. A231796

Some numbers of the form 2·x³ + y³ + z³ found by a certain algorithm. A195006

T(n,k)=Number of nXk 0..3 arrays with no element equal to the sum of elements to its left or the sum of the elements above it or the sum of the elements diagonally to its northwest, modulo 4. A239424

Number of partitions p of n such that mean(p) <= multiplicity(min(p)). A240204

Sum of the largest parts of the partitions of n into 5 parts. A308827