Properties of the Number -154770

One Hundred Fifty-Four Thousand Seven Hundred Seventy

Basics

Value: -154771 → -154770 → -154769

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 7 × 11 × 67

Divisors: 1, 2, 3, 5, 6, 7, 10, 11, 14, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100101110010010010

Octal: -456222

Duodecimal: -75696

Hexadecimal: -25c92

Square: 23953752900

Square Root: 393.40818496823374

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

Regular triangle where T(n,k) is the number of clutters (connected antichains) on n + 1 vertices with k maximal blobs (2-connected components). A317672

Numbers k such that usigma(k) >= 3·k, where usigma(k) = sum of unitary divisors of k (A034448). A285615

a(n) = smallest number k such that rk-1 is prime for all r = 1 to n. A88651

Numbers k such that A383546(k) > A383546(m) for all m < k. A383547

a(n) is the number of squares of side length greater than 1 having vertices at the points of an n X n grid of dots. A328152

a(n) is the smallest number m such that all the n numbers 1!*m-1, 2!*m-1, ..., n!*m-1 are prime. A177013

Least k such that x·k - 1 produces primes for x=1..n and composite for x=n+1. A202779

a(n) is the least k such that there are exactly n divisors d of k for which k/d-d is prime. A340729

Squarefree 3-abundant numbers: squarefree numbers k such that A000203(k) > 3·k. A387153

Numbers n such that the denominator of the 2n-th Bernoulli number is divisible by n but ∑_d∣n σ(d)/φ(d) is not an integer. A99008