Properties of the Number -111720

One Hundred Eleven Thousand Seven Hundred Twenty

Basics

Value: -111721 → -111720 → -111719

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 7 ² × 19

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011010001101000

Octal: -332150

Duodecimal: -547A0

Hexadecimal: -1b468

Square: 12481358400

Square Root: 334.245418816773

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) is the smallest n-gonal pyramidal number with exactly n prime factors (counted with multiplicity). A358865

Numbers k such that k+1, 2k+1, 3k+1, 4k+1 are all prime. A237189

Numbers whose even divisors have an integer harmonic mean. A348412

a(n) = ∑_k=0..n (k+1) * A026725(n, n-k). A27212

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,37. A64255

Even octagonal pyramidal numbers (A002414). A218327

Numbers k such that k + 1, 2k + 1, 3k + 1, 4k + 1, and 6k + 1 are all prime. A333721

Triangle read by rows: T(n, k) = binomial(n, k)*binomial(2·n+k, k), 0 <= k <= n. A370258

Numbers that can be expressed as the difference of the squares of primes in exactly nine distinct ways. A92005

Number of reduced words of length n in Coxeter group on 49 generators S_i with relations (S_i)² = (S_i S_j)³ = I. A162914