Properties of the Number 4981

Four Thousand Nine Hundred Eighty-One

Basics

Value: 4980 → 4981 → 4982

Parity: odd

Prime: No

Previous Prime: 4973

Next Prime: 4987

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 17 × 293

Divisors: 1, 17, 293, 4981

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001101110101

Octal: 11565

Duodecimal: 2A71

Hexadecimal: 1375

Square: 24810361

Square Root: 70.57619995437555

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

Total number of ON cells at stage 2n of two-dimensional 5-neighbor outer totalistic cellular automaton defined by "Rule 453". A246325

Logarithmic derivative of A112936 such that a(n)=(1/3)*A112936(n+1) for n>0, where A112936 equals the INVERT transform (with offset) of triple factorials A008544. A112937

Integers of the form (x³)/6 + (x²)/2 + x + 1. A127876

a(n) = number of m such that A080737(m) <= 2n. A80740

Number of partitions p of n such that (number of even numbers in p) <= (number of odd numbers in p). A241637

a(n) = PrimePi(n³) - PrimePi(n) * PrimePi(n²), where PrimePi = A000720. A291539

Reversible Smith numbers, i.e., Smith numbers whose reversal is also a Smith number. A104171

The number of P-positions in the game of Nim with up to 4 piles, allowing for piles of zero, such that the number of objects in each pile does not exceed n. A241522

Expansion of -x*(-1-x+x²) / ( 1-2·x-3·x²+x³ ). A95125

a(n) = n*(n²+4). A155965