Properties of the Number -678569

Six Hundred Seventy-Eight Thousand Five Hundred Sixty-Nine

Basics

Value: -678570 → -678569 → -678568

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 41

Digital Root: 5

Palindrome: No

Factorization: 23 × 163 × 181

Divisors: 1, 23, 163, 181, 3749, 4163, 29503, 678569

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100101101010101001

Octal: -2455251

Duodecimal: -288835

Hexadecimal: -a5aa9

Square: 460455887761

Square Root: 823.7529969596469

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) = B(n) - 1, where B(n) = Bell numbers, A000110. A58692

Number of ways of placing n labeled balls into 10 indistinguishable boxes; word structures of length n using a 10-ary alphabet. A164864

Number of primitive (aperiodic) word structures of length n using an infinite alphabet. A82951

Number of set partitions of [n] such that all absolute differences between least elements of consecutive blocks are <= nine. A287259

a(n) is the number of palindromic structures using a maximum of ten different symbols. A164904

The partition function G(n,10). A229227

Number of set partitions of [n] such that j is member of block b only if b = 1 or at least one of j-1, ..., j-8 is member of a block >= b-1. A287671

a(n) = n! * [xⁿ] exp(∑_{k=1..n, gcd(n,k) = 1} x^k / k!). A335797

Number of 2-distant 5-noncrossing partitions of {1,...,n}. A366776

Number of set partitions of {1, ..., n} that avoid enhanced 6-crossings (or enhanced 6-nestings). A192866