Properties of the Number 40993

Forty Thousand Nine Hundred Ninety-Three

Basics

Value: 40992 → 40993 → 40994

Parity: odd

Prime: Yes

Previous Prime: 40973

Next Prime: 41011

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 40993

Divisors: 1, 40993

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010000000100001

Octal: 120041

Duodecimal: 1B881

Hexadecimal: a021

Square: 1680426049

Square Root: 202.46728130737569

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

Prime number spiral (clockwise, Northeast spoke). A54553

a(n) = (binomial(2n, n) - 2) mod n³. A246133

Expansion of g.f. A(x) satisfying 1/x = ∑_n=-oo..+oo xⁿ * (A(x) - xⁿ)^n-1, with a(0) = 1, a(1) = 1. A363141

Primes p of Erdos-Selfridge class 4+ with largest prime factor of p+1 not of class 3+. A129472

Non-palindromic primes which on subtracting their reversal give perfect squares. A80177

Number of odd singletons in all partitions of n (n>=0). A265257

Right diagonal of triangle in A072467. A72469

Primes p such that |p - q| is a square, where q is the reversal of p. A59798

Number of 5-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-bishop's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions. A187609

Primes p such that p²*q²*r² + 12 and p²*q²*r² - 12 are primes where q and r are next two primes after p. A240725