Properties of the Number 40361

Forty Thousand Three Hundred Sixty-One

Basics

Value: 40360 → 40361 → 40362

Parity: odd

Prime: Yes

Previous Prime: 40357

Next Prime: 40387

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 40361

Divisors: 1, 40361

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110110101001

Octal: 116651

Duodecimal: 1B435

Hexadecimal: 9da9

Square: 1629010321

Square Root: 200.90047287151916

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

a(n) is the numerator of ∑_{i = 1..n} 1/prime(i). A24451

Numerator of ∑_{primes p <= n} 1/p. A106830

a(n) = A003415(A276085(n)), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function. A373842

Triangle of T(n,k) coefficients of polynomials with first n prime numbers as roots. A70918

Primes p such that q-p = 26, where q is the next prime after p. A124594

Triangle read by rows: T(n,k) is coefficient of x^n-k in consecutive prime rooted polynomial of degree n, P(x) = ∏_k=1..n (x-p(k)) = 1·xⁿ + T(n,1)*x^n-1+ ... + T(n,k-1)*x + T(n,k), for 1 <= k <= n. A238146

Primes of the form 3·m² - 7. A201718

Primes in the sequence of first arithmetic derivative of primorials. A244622

Triangle read by rows: T(n, k) = coefficient of x^n-k in ∏_m=1..n (x+prime(m)); 0 <= k <= n, n >= 0. A260613

a(n) = A003415(A019565(n)). A342921