Properties of the Number -8151

One Hundred Fifty-One

Basics

Value: -8152 → -8151 → -8150

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 13 × 19

Divisors: 1, 3, 11, 13, 19, 33, 39, 57, 143, 209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111111010111

Octal: -17727

Duodecimal: -4873

Hexadecimal: -1fd7

Square: 66438801

Square Root: 90.28288874421332

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

n minus the Heinz number of the conjugate of the integer partition with Heinz number n. A352491

G.f. A(x) satisfies A(x) = 1 + x·A(-x)⁵. A143048

a(n) = exp(1) * ∑_k>=0 (-1)^k * (n·k - 1)ⁿ / k!. A367784

Generalized 27-gonal (or icosiheptagonal) numbers: m*(25·m - 23)/2 with m = 0, +1, -1, +2, -2, +3, -3, ... A316725

Pairs (j, k) of numbers j<k such that φ(j) = φ(k), σ(j) = σ(k), d(j) = d(k). A134922

Difference between the arithmetic mean of the neighbors of the terms and the term itself follows the pattern 0,1,2,3,4,5,... A86514

a(n) is the (n+1)st (n+2)-gonal number. A64808

Two-column table read by rows: Primitive distinct pairs that have the same value of φ, σ, and τ. A322688

T(n,k) = Number of n X k 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically. A207703

Triangle read by rows: T(n,k) is the number of 2-stack sortable n-permutations with k runs. A82680