Properties of the Number 90142

Ninety Thousand One Hundred Forty-Two

Basics

Value: 90141 → 90142 → 90143

Parity: even

Prime: No

Previous Prime: 90127

Next Prime: 90149

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 13 × 3467

Divisors: 1, 2, 13, 26, 3467, 6934, 45071, 90142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000000011110

Octal: 260036

Duodecimal: 441BA

Hexadecimal: 1601e

Square: 8125580164

Square Root: 300.2365733883865

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) = ∑_k=1..n k·floor(n/k)³. A350108

Numbers k such that (5·10^k - 473)/9 is prime. A295969

Decimal expansion of e² - e. A90142