Properties of the Number -61644

Sixty-One Thousand Six Hundred Forty-Four

Basics

Value: -61645 → -61644 → -61643

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 11 × 467

Divisors: 1, 2, 3, 4, 6, 11, 12, 22, 33, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1111000011001100

Octal: -170314

Duodecimal: -2B810

Hexadecimal: -f0cc

Square: 3799982736

Square Root: 248.28209762284513

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

McKay-Thompson series of class 6c for Monster. A7262

Expansion of (f(x) / f(x³))⁶ in powers of·where f() is a Ramanujan θ function. A132107

Triangle T(n,k) read by rows = number of partitions of n-set into k blocks with distinct sizes, k = 1..A003056(n). A131632

Number of perfect rhythmic tilings of [0,3n-1] with triples. A261516

a(n) = A080315(n) - 2^A000523(A080315(n)), i.e., the terms of A080315 without their most significant bit. A80316

G.f. A(x) satisfies A(x) = ( 1 + 4·x*A(x)/(1 - x·A(x)) )^1/2. A372018

A014486-encoding of the Catalan mountain ranges with only even-length slopes allowed. A83932

Number of set partitions of [n] into three blocks with distinct sizes. A272515

Numbers whose base-4 representation contains exactly four 0's and four 3's. A45085