Properties of the Number -227475

Two Hundred Twenty-Seven Thousand Four Hundred Seventy-Five

Basics

Value: -227476 → -227475 → -227474

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 ² × 337

Divisors: 1, 3, 5, 9, 15, 25, 27, 45, 75, 135

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111100010010011

Octal: -674223

Duodecimal: -AB783

Hexadecimal: -37893

Square: 51744875625

Square Root: 476.9433928675394

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

First column of A174295. A174297

Riordan numbers: a(n) = (n-1)*(2·a(n-1) + 3·a(n-2))/(n+1). A5043

Expansion of (sqrt(1+3·x) + sqrt(1-x))/(2·sqrt(1-x)). A99323

Triangular numbers representable as x·y+x+y such that·and y are triangular numbers, x>=y>1. A259746

Bisection of Motzkin sums (A005043). A99251

Triangular numbers representable as x·y+x+y such that·and y are triangular numbers, x>=y>0. A259745

a(n) = [xⁿ] (1 - 2·x - sqrt((1 - 3·x)/(1 + x)))/(2·x³). A342912

Array T(n,k) of the expected value of trace(O)^2k, where O is an n X n orthogonal matrix randomly selected according to Haar measure, read by antidiagonals. A247306

Array read by ascending antidiagonals: A(n, s) is the n-th s-Catalan number. A349934

Triangular numbers composed of only digits with line segments or both line segments and curves {1, 2, 4, 5, 7}. A247021