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Properties of the Number 15942

Fifteen Thousand Nine Hundred Forty-Two

Basics

Value: 15941 → 15942 → 15943

Parity: even

Prime: No

Previous Prime: 15937

Next Prime: 15959

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 2657

Divisors: 1, 2, 3, 6, 2657, 5314, 7971, 15942

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11111001000110

Octal: 37106

Duodecimal: 9286

Hexadecimal: 3e46

Square: 254147364

Square Root: 126.26163312740731

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

Number of unlabeled connected simplicial complexes with n nodes. A261006
T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally. A188695
McKay-Thompson series of class 17A for the Monster simple group. A58530
McKay-Thompson series of class 17A for the Monster group with a(0) = 2. A152944
Numbers k such that 225·2k+1 is prime. A32489
Triangle read by rows: T(n,k) is number of hex trees with n edges and level of first leaf (in the preorder traversal) equal to k (1 <= k <= n). A126186
Number of nX3 binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally. A188689
Number of nX6 binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally. A188692
Number of length-n 0..2 arrays with no repeated value differing from the previous repeated value by other than one. A269531
Number of partitions of n into parts not of the form 17k, 17k+5 or 17k-5. Also number of partitions with at most 4 parts of size 1 and differences between parts at distance 7 are greater than 1. A35966