Properties of the Number -101042

One Hundred One Thousand Forty-Two

Basics

Value: -101043 → -101042 → -101041

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 × 19 × 2659

Divisors: 1, 2, 19, 38, 2659, 5318, 50521, 101042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11000101010110010

Octal: -305262

Duodecimal: -4A582

Hexadecimal: -18ab2

Square: 10209485764

Square Root: 317.8710430347502

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 alternating permutations of order n. A1250

Triangle read by rows: number of permutations of 1..n by length of longest run. A10026

Triangle read by rows: number of permutations of 1..n by length l of longest run (n >= 1, 1 <= l <= n). A211318

Triangle read by rows: T(n,k) is the number of permutations of [n] with k alternating runs (n>=2, k>=1). A59427

T(n,k) = number of arrays of length n that are sums of k consecutive elements of length n+k-1 permutations of 0..n+k-2, and no two consecutive rises or falls in the latter permutation. A229717

Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of the consecutive step patterns 010 or 101, where 1=up and 0=down; triangle T(n,k), n >= 0, k = max(0, n-3), read by rows. A295987

T(n,k) = number of permutations of {1..n} with fewer than k interior elements having values lying between the values of their neighbors. A226441

Twice the Euler or up/down numbers A000111. A260786

Twice A000364. A11248

Numbers n such that n''' = n''+ 1 where n'' and n''' are respectively the second and the third arithmetic derivative of n. A189941