Properties of the Number 17912

Seventeen Thousand Nine Hundred Twelve

Basics

Value: 17911 → 17912 → 17913

Parity: even

Prime: No

Previous Prime: 17911

Next Prime: 17921

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 2239

Divisors: 1, 2, 4, 8, 2239, 4478, 8956, 17912

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100010111111000

Octal: 42770

Duodecimal: A448

Hexadecimal: 45f8

Square: 320839744

Square Root: 133.83572019457287

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

Least integer b>2n+1 such that the numbers written as [1,3,...,2n-1,2n+1] and [2n+1,2n-1,...,3,1] in base b are both prime. A218465

Array read by antidiagonals: T(m,n) is the number of induced cycles in the grid graph P_m X P_n. A360196

Minimal total volume of n bricks with integer sides, all sides being different. Lowest value of sum of products of triples p·q*r chosen from [1,3n]. A72368

a(0) = 0; a(n) is obtained by incrementing each digit of a(n-1) by 8. A61747

Number of A095746-primes in range ]2ⁿ,2ⁿ⁺¹]. A95756

Number of induced cycles in the 5 X n grid graph. A360198

Number of length 3 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal. A254220

Sum of the odd parts in the partitions of n into 4 parts. A309517

Powers of sqrt(2) rounded up. A17912

Primes which when added to their own rotation yield a prime. A86002