Properties of the Number -253116

Two Hundred Fifty-Three Thousand One Hundred Sixteen

Basics

Value: -253117 → -253116 → -253115

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 79 × 89

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 79

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -111101110010111100

Octal: -756274

Duodecimal: -102590

Hexadecimal: -3dcbc

Square: 64067709456

Square Root: 503.1063505860366

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

Smallest triangular number beginning with the n-th triangular number other than itself. A72517

Smallest triangular numbers whose decimal expansion begins (nontrivially) with n-th triangular number. A229235

Refactorable triangular numbers. A272524

Triangular numbers k such that ψ(k) is a square, where ψ(k) is the Dedekind ψ function (A001615). A292064

Integers that concatenate 3 counts: the number of terms in the sequence so far, the number of primes in the sequence so far, the number of digits in the sequence so far, with a(1)= 113. The sequence is always extended with the smallest available integer not leading to a contradiction or a dead end. A309617

Triangular numbers such that the three numbers before it and the three numbers after it are squarefree. A374393