Properties of the Number -101538

One Hundred One Thousand Five Hundred Thirty-Eight

Basics

Value: -101539 → -101538 → -101537

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5641

Divisors: 1, 2, 3, 6, 9, 18, 5641, 11282, 16923, 33846

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11000110010100010

Octal: -306242

Duodecimal: -4A916

Hexadecimal: -18ca2

Square: 10309965444

Square Root: 318.65027851862925

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(0) = 1 and a(n) = (1/n) * ∑_k=1..n binomial(n,k) * binomial(n+(n-1)*k,k-1) for n > 0. A335871

G.f. A(x) satisfies A(x) = 1 + x·A(x)⁶/(1 - x·A(x)). A378691

Sets of 4 numbers in arithmetic progression with common difference 6 and whose φ values are equal. A39670

Triangle read by rows: T(n,k) = number of n-element unlabeled N-free posets of height k (1 <= k <= n). A202181