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Properties of the Number 11955

Eleven Thousand Nine Hundred Fifty-Five

Basics

Value: 11954 → 11955 → 11956

Parity: odd

Prime: No

Previous Prime: 11953

Next Prime: 11959

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 797

Divisors: 1, 3, 5, 15, 797, 2391, 3985, 11955

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10111010110011

Octal: 27263

Duodecimal: 6B03

Hexadecimal: 2eb3

Square: 142922025

Square Root: 109.33892262136115

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 compositions with alternating parts weakly decreasing (or weakly increasing). A342528
Number of partitions of n having no perfect cube parts (n>=0). A264393
Numbers n such that p = n2 + 2, p+2 and p+6 are consecutive primes. A86380
Triangle read by rows: T(n, k) is the number of chains of length k in the poset of permutations of an n-set. A375835
Number of days after Mar 01 00 such that the date written in the format DD.MM.YY is palindromic. A210887
Number of magic labelings with magic sum n of 2nd graph shown in link. A244870
a(n) = ∑k=0..floor(n/3) binomial(n+k-1,k) * binomial(n+2·k-1,n-3·k). A389378
a(1)=4. a(n) = a(n-1) + n, if a(n-1)+n is composite. Otherwise a(n) = a(n-1)*n. A175459
Number of length n+6 0..1 arrays with at most two downsteps in every 6 consecutive neighbor pairs. A256814
Record values in A243145. A299112