Properties of the Number -110215

One Hundred Ten Thousand Two Hundred Fifteen

Basics

Value: -110216 → -110215 → -110214

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 47 × 67

Divisors: 1, 5, 7, 35, 47, 67, 235, 329, 335, 469

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010111010000111

Octal: -327207

Duodecimal: -53947

Hexadecimal: -1ae87

Square: 12147346225

Square Root: 331.98644550643934

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

Triangular numbers with sum of digits = 10. A68129

The first of two consecutive triangular numbers the sum of which is equal to the sum of two consecutive prime numbers. A298462

Triangular numbers whose reverse is prime. A66751

Terms of A073872 that do not change their position in the rearrangement; i.e., values of A073872(n) which equal n(n+1)/2. A73873

Triangular numbers whose digit reversal is prime; trailing zeros are permitted. A115704

a(n) = ∑_{1 <= x₁, x₂ <= n} gcd(x₁, x₂, n)⁵. A372927

a(n) = (9n⁴ - 18n³ + 18n² - 9n + 2)/2. A79903

Triangular numbers whose sum of aliquot divisors is a prime number. A83676

Numbers that start a run of four consecutive triangular numbers with four distinct prime factors. A349773