Properties of the Number -22249

Twenty-Two Thousand Two Hundred Forty-Nine

Basics

Value: -22250 → -22249 → -22248

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 19 × 1171

Divisors: 1, 19, 1171, 22249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -101011011101001

Octal: -53351

Duodecimal: -10A61

Hexadecimal: -56e9

Square: 495018001

Square Root: 149.16098685648336

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

Expansion of e.g.f.: cos(exp(x)-sec(x))=1-1/2!*x²-3/4!*x⁴+20/5!*x⁵+3/6!*x⁶... A13332

Sum of 12 positive 9th powers. A4801

Numbers k such that k¹⁴ == 1 (mod 15³). A56087

Numbers k such that σ(k+1) = 2*φ(k). A67260

Numbers k such that 2^{2·k - 1} - 1 is prime. A138576

a(n) = A064688(n) - 1. A123557

Number of partitions of n into parts not of the form 15k, 15k+7 or 15k-7. Also number of partitions with at most 6 parts of size 1 and differences between parts at distance 6 are greater than 1. A35961

a(n) = |b(n)| where b(n) = -b(n-1) + 6·b(n-3) with b(0)=0, b(1)=1, b(2)=1. A107786

Partial sums of A174928. A174929

Number of n-bead necklaces labeled with numbers -6..6 allowing reversal, with sum zero and first differences in -6..6. A209030