Properties of the Number 90144

Ninety Thousand One Hundred Forty-Four

Basics

Value: 90143 → 90144 → 90145

Parity: even

Prime: No

Previous Prime: 90127

Next Prime: 90149

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ² × 313

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110000000100000

Octal: 260040

Duodecimal: 44200

Hexadecimal: 16020

Square: 8125940736

Square Root: 300.2399040767233

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

Numbers k that divide the base-5 reversal of k. A222816

Number of permutations of length n which avoid the patterns 2134, 3421, 4132. A116833

Numbers k such that x^k + x² + 1 is irreducible over GF(2). A57460

Numbers n which when converted to some base between 2 and 9 yield a result with the same digits as n in a different order. A90144

Average (scaled by a certain explicit factor) over all integers k of a_k(n), the n-th coefficient of the k-th cyclotomic polynomial. A86811