Properties of the Number -17487

Seventeen Thousand Four Hundred Eighty-Seven

Basics

Value: -17488 → -17487 → -17486

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 29 × 67

Divisors: 1, 3, 9, 29, 67, 87, 201, 261, 603, 1943

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010001001111

Octal: -42117

Duodecimal: -A153

Hexadecimal: -444f

Square: 305795169

Square Root: 132.23842104320514

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 symmetrical triangle sequence: T(n, k) = q^k + q^n-k - qⁿ, with q=3. A176225

Poincaré series for invariant polynomial functions on the space of binary forms of degree 9. A293934

Number T(n,k) of parts in all proper k-times partitions of n; triangle T(n,k), n >= 1, 0 <= k <= n-1, read by rows. A327631

Number of partitions of n into an even number of parts that are not multiples of 3. A339404

Number of rooted trees with n nodes with every leaf at height 8. A48813

The number of partitions of n in which at least one part is a multiple of 4. A295342

a(n) = 6 + floor( ∑_j=1..n-1 a(j)/4 ). A120164

Number of arrays of maxima of three adjacent elements of some 0..n array of length 9. A228464

Number of parts in all proper floor(n/2)-times partitions of n. A328041

45-gonal numbers: n*(43·n-41)/2. A98924