Properties of the Number 90126

Ninety Thousand One Hundred Twenty-Six

Basics

Value: 90125 → 90126 → 90127

Parity: even

Prime: No

Previous Prime: 90121

Next Prime: 90127

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 1669

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 1669, 3338

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000000001110

Octal: 260016

Duodecimal: 441A6

Hexadecimal: 1600e

Square: 8122695876

Square Root: 300.20992655140503

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

Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of 1/(1 - k·x) * ∏_j=0..k-1 (1 + j·x)/(1 - j·x). A383818

Row 3 of A328464: a(n) = A276156(8n - 4) / 6. A328466

a(n) = a(n-1) + a(n-2) + n + 3 with n>1, a(0)=1, a(1)=2. A210729

Triangle read by rows: R*(n,k) (n>=2, k from 2 to n-1 or to 2 if n = 2), where R*(n,k) = number of trees with n nodes and k unlabeled end-nodes. A213262

Distinct values of denominators of Bernoulli numbers B(2n) in order of their appearance as n grows. A90126