Properties of the Number 22007

Twenty-Two Thousand Seven

Basics

Value: 22006 → 22007 → 22008

Parity: odd

Prime: No

Previous Prime: 22003

Next Prime: 22013

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 59 × 373

Divisors: 1, 59, 373, 22007

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101010111110111

Octal: 52767

Duodecimal: 1089B

Hexadecimal: 55f7

Square: 484308049

Square Root: 148.34756486036432

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) = (1/n!)*A001565(n). A94792

Endpoints in trees with n nodes. A3228

Sum of next n composite numbers. A72475

G.f. satisfies A(x) = exp( ∑_k>=1 A(x^k) * x^k/(k * (1 + x^k)³) ). A363575

exp(arctan(arcsinh(x)))=1+x+1/2!*x²-2/3!*x³-11/4!*x⁴+24/5!*x⁵... A12213

Triangle T(n,m) = 2·A022167(n,m) - binomial(n, m), 0 <= m <= n, read by rows. A174527

cosh(arctan(arcsinh(x)))=1+1/2!*x²-11/4!*x⁴+349/6!*x⁶-22007/8!*x⁸... A12220

Abs(square of n-th prime minus cube of n-1). A151911

Initial members of prime 5-tuples (p, p+4, p+6, p+10, p+12). A22007

a(n) = 9·binomial(2n,n-4)/(n+5). A1392