Properties of the Number -106491

One Hundred Six Thousand Four Hundred Ninety-One

Basics

Value: -106492 → -106491 → -106490

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 11 × 461

Divisors: 1, 3, 7, 11, 21, 33, 77, 231, 461, 1383

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -11001111111111011

Octal: -317773

Duodecimal: -51763

Hexadecimal: -19ffb

Square: 11340333081

Square Root: 326.3295879934886

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(n) = n⁴ - (n-1)⁴ + (n-2)⁴ - ... 0⁴. A62392

Smallest triangular number with Hamming weight n (i.e., with exactly n 1's when written in binary). A89999

Doubly hexagonal numbers. A63249

Triangle read by rows. T(n,k) = binomial(n,k)*(binomial(n,k)-1)/2. A143418

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 382", based on the 5-celled von Neumann neighborhood. A281639

Triangular numbers p*(p+1)/2 with p prime such that 1+(number of prime factors of p+1) is prime. A144549

Number of partitions of 4n into at most 6 parts. A256540

Strong pseudoprimes to base 41. A20267

Triangle, read by rows, T(n, k) = A059481(n,k)*(A059481(n,k) - 1)/2. A171379

Triangular numbers T such that T+10 is the next prime after T. A129540