Properties of the Number -102378

One Hundred Two Thousand Three Hundred Seventy-Eight

Basics

Value: -102379 → -102378 → -102377

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 113 × 151

Divisors: 1, 2, 3, 6, 113, 151, 226, 302, 339, 453

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11000111111101010

Octal: -307752

Duodecimal: -4B2B6

Hexadecimal: -18fea

Square: 10481254884

Square Root: 319.96562315348814

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

Triangular numbers n such that σ(n) is a square number. A256151

Smallest triangular number that contains the string n in its exact center. A62690

Numbers with exactly six distinct base-10 digits. A220076

a(n) is the first triangular number whose decimal representation uses n distinct digits. A260214

The smallest triangular number that contains the digits of n in its exact middle. A163598

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