Properties of the Number 17893

Seventeen Thousand Eight Hundred Ninety-Three

Basics

Value: 17892 → 17893 → 17894

Parity: odd

Prime: No

Previous Prime: 17891

Next Prime: 17903

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 29 × 617

Divisors: 1, 29, 617, 17893

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100010111100101

Octal: 42745

Duodecimal: A431

Hexadecimal: 45e5

Square: 320159449

Square Root: 133.76471881628578

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

Number of integer partitions of n whose product of parts is >= n. A319005

Total number of square parts in all partitions of n. A73336

Triangle of coefficients of Gaussian polynomials [2n+5,4]_q represented as finite sum of terms (1+q²)^k*q^g-k, where k = 0,1,...,g with g=4n+2. A267484

Positive numbers y such that y² is of the form x²+(x+617)² with integer x. A160176

The Wiener index of the comb-shaped graph |_|_|...|_| with 2n (n>=1) nodes. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices in the graph. A192023

Strong pseudoprimes to base 62. A20288

Number of 4 X 4 symmetric magic squares with line sum 2n. A93198

Number of (n+4)X5 0..1 matrices with each 5X5 subblock idempotent. A224683

a(n) = a(n-1) + 3·a(n-2) -2·a(n-3) - 2·a(n-4), where a(0) = 1, a(1) = 4, a(2) = 9, a(3) = 16. A295720

Centered heptagonal numbers which are semiprime. A381960