Properties of the Number -219453

Two Hundred Nineteen Thousand Four Hundred Fifty-Three

Basics

Value: -219454 → -219453 → -219452

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 × 17 × 331

Divisors: 1, 3, 13, 17, 39, 51, 221, 331, 663, 993

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101100100111101

Octal: -654475

Duodecimal: -A6BB9

Hexadecimal: -3593d

Square: 48159619209

Square Root: 468.45810911969494

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) = larger member of n-th pair of distinct, positive, triangular numbers whose sum and difference are also triangular numbers. A185128

Triangular numbers which have one or more occurrences of exactly six different digits. A241789

G.f. A(x) satisfies A(x) = 1 + x·A(x)/A(-x·A(x)). A384951

Triangular numbers containing 2k digits in which the sum of the first k digits = that of the rest. A68898

Smallest triangular number with exactly n anagrams that are triangular numbers. A166596

Triangular numbers whose binary conversion, read in decimal, is prime. A227028

Triangular numbers T such that T+10 is the next prime after T. A129540